Concluded an agreement with Shiga Prefecture to ‘connect people and forests’
Joined the global renewable energy initiative RE100
Moved from the First Section of the Tokyo Stock Exchange to the Prime Market
Acquired a portion of semiconductor device business from Panasonic Corp.
First in the world to acquire certification under the Wi-SUN international wireless communication standard
Obtained development process certification under the ISO 26262 automotive functional safety standard
Developed the industry’s first op-amps featuring a noise-free design
Established ROHM Shiga Co., Ltd.
(*Currently ROHM Co., Ltd. Shiga Factory)
Developed the world’s first AC/DC converter control IC for SiC drive
Established the India Design Center
Developed the industry’s smallest ’VML0604’ transistors
Developed high power ultra-low-ohmic shunt resistors optimized for current detection in automotive and industrial applications
Acquired certification under the OHSAS 18001 occupational health and safety standard
Started mass production of the RASMID® series comprised of the world’s smallest parts utilizing a completely new manufacturing method
Developed the world’s smallest 0402 size Zener diodes
ROHM Kyoto Ekimae Building received the Energy Conservation Grand Prize ‘Chief of the Agency for Natural Resources and Energy’s Award’
Established the Tsinghua-ROHM Joint Research Center
Constructed the Tsinghua-ROHM Electronic Engineering Hall at Tsinghua University (Beijing, China)
Established ROHM Semiconductor India Pvt. Ltd.
Green building achieved through the full installation of in-house LED lighting, high-efficiency AC equipment, rooftop greenery, and more.
Renovated the ROHM Kyoto Ekimae Building.
A SiC supplier becomes a ROHM subsidiary.
Market leader Kionix, Inc., becomes a subsidiary of ROHM.
Acquired OKI SEMICONDUCTOR Co., Ltd.
Logo changed (9/17/08) to "ROHM SEMICONDUCTOR" to mark our 50th anniversary.
A Selection of Japanese 78rpm Recording III.
Developed an ultra-compact LED "PICOLEDTM[picoled]" featuring both the smallest volume and area in the world.
ISO/IEC 17025 Accreditation to Laboratory.
A Selection of Japanese 78rpm Recording II.
ROHM Electronics (Shenzhen) Co., Ltd. established.
ROHM Integrated Systems (Thailand) Co., Ltd. established.
Nagoya Design Center opened.
Shenzhen Technology Center opened.
Co-sponsored "Seiji Ozawa Opera Project" in China.
A ROHM Plaza research facility was donated to Kyoto University.
Korea Technology Center opened.
Taiwan Technology Center opened.
Shanghai Technology Center opened.
Co-sponsored "Kyoto Student Festival."
Contribution for Doshisha ROHM Plaza.
ROHM Tsukuba Co., Ltd. established.
ROHM Electronics Trading (Dalian) Co., Ltd. established.
LSI Test Technology Center opened.
Optical Device Research Center opened.
Contribution for Ritsumeikan University ROHM Plaza.
Started forestation project in Australia named "ROHM Forest."
ROHM Co., Ltd. (Shin yokohama) opened.
Co-sponsored "The Opening Concert of Autumn Kyoto Music Festival."
Co-sponsored "Seiji Ozawa Opera Project."
ROHM Semiconductor (China) Co., LTD. established.
Europe Technology Center opened.
ROHM Electronics (Shanghai) Co., Ltd. established.
ROHM Hamamatsu Co., Ltd. established.
LSI Development Center opened.
Kyoto Technology Center opened.
Co-sponsored "New Japan Philharmonic Special" concert, conducted by Seiji Ozawa.
Began "ROHM's Diary of Science of the tales" for company P.R as a newspaper column.
VLSI Research Center opened.
Obtained ISO14001 Environmental Management System Certification.
Published "ROHM's Diary of Kyoto Natural History (Light Report Edition)" CD-ROM.
ROHM Electronics (France) S.A.S. established.
ROHM Electronics (Thailand) Co., Ltd. established.
Yokohama Technology Center opened.
ROHM Electronics (Philippines) Sales Corporation established.
ROHM Electronics Korea Corporation established.
ROHM Wako Device Co., Ltd. established
Published "ROHM's Diary of Kyoto Natural History (Sound Report Edition)" CD-ROM.
Second LSI Research Center opened.
Began "ROHM's Diary of Science of the tales of old Japan" for company P.R as a newspaper column.
Obtained ISO9001 certification.
Hosted "Kyoto International Music Students Festival" (held annually).
ROHM Mechatech Philippines, INC. established.
ROHM Electronics (Malaysia) Sdn. Bhd. established.
A manufacturing plant is established in Tianjin, China (presently RSC).
ROHM Electronics Dalian Co., Ltd. established.
Completely abolished use of specific-fluorocarbons (all companies in ROHM Group)
Established ROHM Music Foundation.
Second Research and Development Center opened.
ROHM Apollo Device Co., Ltd. established.
Began sales of LED message boards.
America Technology Center opened.
Published public relations magazine "ROHM's Diary of Kyoto Natural History II."
Hosted "ROHM's Music Festival with Play Bach."
ROHM Electronics (U.K.) Limited established.
ROHM-Wako Electronics (Malaysia) Sdn. Bhd. established.
A manufacturing plant is established in Philippines (presently REPI).
Liquid crystal process technology established and products marketed.
LSI Research Center opened.
Received PM award (TPM)
Listed on the First Section of the Tokyo Stock Exchange.
Narita Giken Co., Ltd. established.
ROHM Mechatech Co., Ltd. established.
Obtained basic patent of flash memory in the USA.
ROHM Electronics Taiwan Co., Ltd. established.
A manufacturing plant is established in Thailand (presently RIST).
Published public relations magazine "ROHM's Diary of Kyoto Natural History."
Memory ICs developed and marketed.
Research and Development Center opened (presently LSI Development Center).
Listed on the First Section of the Osaka Stock Exchange.
4-bit and 8-bit microcontrollers using original CPUs developed.
ROHM Amagi Co., Ltd. established.
First in the world to succeed in the practical industrial use of laser diodes with MBE methodology.
Band switching diodes developed and marketed.
Listed on the Second Section of the Osaka Security Exchange.
Digital transistors developed and marketed.
Semiconductor Research Center is completed.
Published "Asian Music" (recorded tapes of all volumes)
ROHM Fukuoka Co., Ltd. established.
Began development of MOS ICs.
Registered company name is changed from Toyo Electronics Industry Corporation to ROHM Co., Ltd.
Zener diodes developed and marketed.
Began "ROHM's Diary of Kyoto Natural History" for company public relations as a newspaper column.
ROHM Electronics Asia Pte. Ltd. (RES DIVISION) established.
Corporate trademark is changed from R.ohm to ROHM.
Rectifying diodes developed and marketed.
Square-plante chip resistors developed and marketed.
ROHM Electronics (H.K.) Co., Ltd. established.
Thermal printheads developed and marketed.
LEDs and network resistors developed and marketed.
ROHM Korea Corporation established.
Transistor developed and marketed.
ROHM Electronics GmbH established.
Started research and development of integrated circuits (ICs) in Silicon Valley.
Published "History of Musical Instruments" (record of all volumes)
Established U.S. subsidiary company in California.
ROHM Logistec Co., Ltd. established.
Computers for processing business data introduced.
ROHM Apollo Co., Ltd. established.
Began development of ICs.
Completed production of diode arrays and diode matrices.
Transistors and switching diode developed and marketed.
ROHM Wako Co., Ltd. established.
In-house Standardization Committee organized.
Published "Visible Music History" (record of all volumes)
Quality control program introduced.
Metal-firm resistors developed and marketed.
In-house production of automatic resistor assembly machine inaugurated.
Toyo Electronics Industry Corporation.
Carbon film resistors developed and marketed.
Toyo Electronics Industry established.