- Founded YOKOWO Mfg. Co., Ltd. in Sumida, Tokyo.
- Started production of Rod Antennas. (Withdrew in 2003)
- Started production of Car Antennas.
- Started production of Sporting Goods. (Withdrew in 1995)
Established branch office in Osaka-shi.
AM/FM Motor Antenna
- Listed on the second section of Tokyo stock exchange.
- Established YOKOWO Mfg. Co.,(Taiwan) Ltd.
(now YOKOWO Micro Tech Co., Ltd. )
- Established YOKOWO (Hong Kong) Ltd.
- Established YOKOWO (Singapore) Pte. Ltd.
- Started production of Spring Contact Probes.
- Established YOKOWO (Europe) Ltd. in Belgium. (Removed in London, 1999)
- Established Development division in Tokyo. Started development of Microwave Components.
Outdoor Unit for BS
- Started production of Personal Communication Antennas.
- Started production of Microwave Components.
Personal Communication Antenna
- Established YOKOWO America Corporation in Chicago, U.S.A.
- Expanded Tomioka Plant.
- Started production of Spring Connector.
Tomioka Plant, Gunma Japan
- Established YOKOWO Electronics (M) Sdn. Bhd.
- Completed new Head Office.
- Started production of VSAT Transmitter.
- Changed company name to YOKOWO Co., Ltd.
- Established branch office in Toyohashi-shi, Aichi.
- Established Dongguan YOKOWO Electronics Co., Ltd.
- Established Dongguan YOKOWO Car Components Co., Ltd.
- Started development of Microwave Ceramics.
- Established Dongguan YOKOWO Communication Components Co., Ltd.
- Established YOKOWO America Corporation San Diego office in Calf.
- Established YOKOWO EUROPE LTD. in London, U.K.
- Established YOKOWO・DS Co., Ltd.(Merged in 2008)
- Established YOKOWO EUROPE LTD. branch office in Helsinki, Finland. (Closed in 2009)
- Listed on the first section of Tokyo stock exchange.
- Established YOKOWO Manufacturing of America LLC.
- Established YOKOWO America Corporation Silicon Valley Office.
- Established YOKOWO Korea Co., Ltd.
- Established branch office in Utsunomiya, Tochigi.
- Established Dongguan YOKOWO Communication Components Co., Ltd. Shanghai Office
- Established joint corporation INFAC-YOKOWO CO., LTD. (Transferred in 2008)
- Established YOKOWO Manufacturing of America LLC. Detroit Office.
- Established YOKOWO (FRANCE) S.A.S. (Dissolved in 2010)
- Established YOKOWO CORP. (H.K.) LTD.
- Expanded the plants in China.
- Established Dongguan YOKOWO Communication Components Co., Ltd. Beijin Office. (Closed in 2011)
- Started production of Micro precision processing components of Medical Devices.
- Established YOKOWO Advanced Device Center.
- Established YOKOWO(THAILAND)CO.,LTD.
- Expanded Tomioka plant.
YOKOWO Advanced Device Center
- Took over Probe Card business from Genesis Technology Inc.
- Established YOKOWO MEMS Development Center.
- Established Yokowo Co., Ltd. German Office.
- Established YOKOWO VIETNAM CO., LTD.
- Established Dongguan YOKOWO Communication Components Co., Ltd. Dalian Office.