AY

Akihisa Yoshikawa

SK Shoketsu Kinzoku Kogyo Kabushiki Kaisha: 2 patents #4 of 25Top 20%
SM Smc: 2 patents #375 of 737Top 55%
KK Kanto Kagaku: 1 patents #73 of 181Top 45%
NI Nissan Chemical Industries: 1 patents #655 of 1,150Top 60%
Overall (All Time): #1,055,944 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5580847 Aqueous ammonia composition Fumihiro Morikawa, Norio Ishikawa, Takao Shihoya 1996-12-03
4917001 Drive control valve for constant speed Kunio Watanabe, Akira Saeki 1990-04-17
4889036 Speed reducer for pneumatic actuator Masamichi Tajima 1989-12-26
4616476 Cylinder driving apparatus Naotake Oneyama 1986-10-14
4516473 Cylinder driving system Naotake Oneyama 1985-05-14