RT

Ryoichi Takayama

Sumitomo Electric Industries: 2 patents #257 of 1,892Top 15%
HI Hitachi: 1 patents #856 of 3,149Top 30%
📍 Suita, JP: #5 of 108 inventorsTop 5%
Overall (1994): #8,989 of 165,921Top 6%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5333554 Vehicle and method of producing the same Toshihisa Yamada, Toshiharu Miyamoto, Kazuo Hayashi, Shinji Kobayashi, Keizi Ohmura 1994-08-02
5308462 Process for producing a ferroelectric film device Kenji Iijima, Yoshihiro Tomita, Ichiro Ueda 1994-05-03
5281818 Pyro-electric type infrared detector Yoshihiro Tomita, Motonobu Yoshikawa, Yoshiharu Yamamoto 1994-01-25