Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5262233 | Agricultural film | Kiyomaro Sudo, Seiya MORI, Tadao Okada, Hajime Ikeno, Keiko Shichijo | 1993-11-16 |
| 4977211 | Water-absorptive resin composition | Shuhei Doi | 1990-12-11 |
| 4866546 | Recording and reproducing apparatus for disk-type recording media | Shozo Nakagawa, Akihiro Takagi | 1989-09-12 |
| 4303895 | Automatic equalizer | Masaharu Obara, Masaru Sakurai, Hisashi Yamada | 1981-12-01 |