Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424322 | Process for producing polymers or copolymers of conjugated dienes | Takeshi Ikematu, Toshio Ibaragi, Makoto Honda | 1984-01-03 |
| 4413098 | Isoprene-butadiene copolymer rubber having improved processing properties | Takeshi Ikematu, Toshio Ibaragi, Makoto Honda | 1983-11-01 |
| 4385332 | Tape cassette lid opening device for magnetic recording tape driving apparatus | Toshihiro Nakao, Kazuaki Takata, Katsumi Kanayama, Masaaki Daigaku, Kazuyasu Motoyama | 1983-05-24 |
| D263056 | Camera | — | 1982-02-16 |
| D257252 | Tape recorder | David K. Walz | 1980-10-07 |