Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997244 | Optical wavelength converting device and manufacturing method thereof | Yoshitaka Nishio, Yuji Hamada, Takanori Fujii, Masakazu Sakata, Kazuhiko Kuroki | 1991-03-05 |
| 4989958 | Focus adjusting apparatus provided with a focus lens member formed of polymer gel substance having electro-reactive deformability | Yuji Hamada, Takanori Fujii, Masakazu Sakata, Yoshitaka Nishio, Kazuhiko Kuroki +1 more | 1991-02-05 |
| 4874646 | Ultrafine tube and method for its production | Yuuji Hamada, Masakazu Sakata, Takanori Fujii, Yukinori Kuwano | 1989-10-17 |
| 4855214 | Radiation-sensitive high-polymeric material | Yukinori Kuwano, Yuji Hamada | 1989-08-08 |