HS

Hiroshi Sakamoto

DC Dainippon Ink And Chemicals: 1 patents #20 of 90Top 25%
NC Nishimu Electronics Industries Co.: 1 patents #1 of 5Top 20%
Ricoh Company: 1 patents #129 of 489Top 30%
📍 Kashiwa, JP: #4 of 52 inventorsTop 8%
Overall (1989): #10,104 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4818791 Resin composition for use in powder paint Haruhiko Murakami, Hirofumi Takeda 1989-04-04
4800476 PWM inverter with a saturable core Koosuke Harada 1989-01-24
4798820 Thermosensitive recording material Hiroshi Yaguchi 1989-01-17