Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693943 | Magnetooptical recording medium | Hiroyoshi Kishi | 1987-09-15 |
| 4677042 | Mask structure for lithography, method for preparation thereof and lithographic method | Hideo Kato, Keiko Matsuda, Hirofumi Shibata | 1987-06-30 |
| 4658388 | Optical recording medium which includes a corrosion resistant film of a mixture of a carbide and a nitride | Takahiko Ishiwatari, Hiroyoshi Kishi, Hisaaki Kawade, Mitsuharu Sawamura, Kazuoki Honguu | 1987-04-14 |
| 4618537 | Recording medium | Katsuhiko Takano, Shigeharu Iijima, Satoshi Yoshihara, Hiroyoshi Kishi, Eizo Sasamori | 1986-10-21 |
| 4578322 | Recording medium | Mitsuharu Sawamura, Susumu Ito, Hiroyoshi Kishi, Eizo Sasamori, Satoshi Yoshihara +2 more | 1986-03-25 |