Issued Patents All Time
Showing 76–91 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816603 | Process for the production of methacrolein and methacrylic acid | Motomu Oh-Kita, Yoshiyuki Taniguchi, Masaaki Kato | 1989-03-28 |
| 4803302 | Process for the production of methacrylic acid | Motomu Oh-Kita, Masaaki Kato | 1989-02-07 |
| 4777001 | Extruding method | Yasuhisa Kuzuya | 1988-10-11 |
| 4772940 | Polymer having isothianaphthene structure and electrochromic display | Fred Wudl, Alan J. Heeger | 1988-09-20 |
| 4749548 | Copper alloy lead material for use in semiconductor device | Hidetoshi Akutsu, Takuro Iwamura | 1988-06-07 |
| 4726800 | Radio-controllable spherical toy vehicle | — | 1988-02-23 |
| 4707460 | Method for regenerating phosphorus-molybdenum-alkali containing oxidation catalyst | Kazuhiro Ishii, Tetsuya Uno, Masaki Kato | 1987-11-17 |
| 4658101 | Sliding-type dip switch | Takashi Akimoto, Akio Kai, Haruo Itoh | 1987-04-14 |
| 4640748 | Polyisothianaphtene, a new conducting polymer | Fred Wudl, Alan J. Heeger | 1987-02-03 |
| 4621985 | High vacuum apparatus | Nobuyuki Ishida, Yoshihiro Toyoda | 1986-11-11 |
| 4601470 | Roulette gaming apparatus having electro-magnetic apparatus for driving a ball | Otomatsu Kadota | 1986-07-22 |
| 4514477 | Cassette-type power unit for a motor toy | — | 1985-04-30 |
| 4398881 | Apparatus for forming soft food material into globular shape | — | 1983-08-16 |
| 4380664 | Process for producing unsaturated aldehydes, and unsaturated fatty acids | Hiromichi Ishii, Hideo Matsuzawa, Kantaro Yamada | 1983-04-19 |
| 4341900 | Catalytic process for the preparation of unsaturated carboxylic acid | Hiromichi Ishii, Hideo Matsuzawa, Masato Otani | 1982-07-27 |
| 4219670 | Process for producing unsaturated aldehydes and unsaturated carboxylic acids | Kazuya Okada, Hideo Matsuzawa, Hiromichi Ishii | 1980-08-26 |