IY

Isamu Yamamoto

SO Sony: 3 patents #13 of 577Top 3%
TK Toyo Boseki Kabushiki Kaisha: 2 patents #3 of 53Top 6%
Mitsubishi Electric: 1 patents #400 of 1,307Top 35%
📍 Belmont, CA: #1 of 27 inventorsTop 4%
🗺 California: #55 of 10,592 inventorsTop 1%
Overall (1989): #1,700 of 140,708Top 2%
6
Patents 1989

Issued Patents 1989

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4886631 Cellulose ester hollow fiber membrane for plasma separation Mitsuru Suzuki, Makoto Ohno 1989-12-12
4877756 Method of packaging a semiconductor laser and photosensitive semiconductor device Jiro Fukushima 1989-10-31
4875098 Output signal processing circuit for CCD register Takashi Asaida 1989-10-17
4821100 Image signal compressor 1989-04-11
4816917 Clamp circuit for a solid-state image device Takashi Asaida 1989-03-28
4808312 Cellulose ester hollow fiber membrane for plasma separation Mitsuru Suzuki, Makoto Ohno 1989-02-28