Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196250 | Optical information recording medium | Michiharu Abe | 1993-03-23 |
| 5002812 | Optical information recording medium, information recording method and optical information recording system using the medium | Tsutomu Satoh, Hideaki Ohba, Keiko Ichinose | 1991-03-26 |
| 4891305 | Optical information recording element | Hideaki Oba, Tsutomu Sato, Yutaka Ueda, Tetsu Yamamuro, Michiharu Abe | 1990-01-02 |
| 4767693 | Optical information recording medium | Hideaki Oba, Yutaka Ueda, Tsutomu Sato, Michiharu Abe, Hitoshi Funakoshi +1 more | 1988-08-30 |
| 4758499 | Optical information recording medium | Michiharu Abe, Tsutomu Sato, Hideaki Oba, Yutaka Ueda, Tetsu Yamamuro | 1988-07-19 |
| 4714667 | Optical information recording medium | Tsutomu Sato, Michiharu Abe, Hideaki Oba, Yutaka Ueda | 1987-12-22 |
| 4707431 | Optical information recording medium | — | 1987-11-17 |
| 4696892 | Optical information recording medium | Michiharu Abe, Tsutomu Sato, Hideaki Oba, Yutaka Ueda, Makoto Kunikane | 1987-09-29 |
| 4656121 | Optical information recording medium | Tsutomu Sato, Michiharu Abe, Hideaki Oba, Yutaka Ueda | 1987-04-07 |
| 4614705 | Optical information recording medium | — | 1986-09-30 |
| 4477555 | Optical information recording medium | Hideaki Oba, Makoto Kunikane, Kiyoshi Tanikawa, Michiharu Abe | 1984-10-16 |
| 4465767 | Optical information recording medium | Hideaki Oba | 1984-08-14 |
| 4460665 | Optical information recording medium | Makoto Kunikane, Michiharu Abe | 1984-07-17 |
| 4332884 | Photo-sensitive and heat-sensitive composition and recording element using same | Koji Uji-Ie, Kiyoshi Taniguchi, Makoto Kunikane | 1982-06-01 |
| 4315068 | Photo-sensitive and heat-sensitive composition and recording element using same | Makoto Kunikane, Koji Uji-Ie, Kiyoshi Taniguchi | 1982-02-09 |