Issued Patents All Time
Showing 276–293 of 293 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691252 | Rotary magnetic recording-reproducing apparatus | Yoshiaki Nakayama | 1987-09-01 |
| 4687981 | Stepping motor | — | 1987-08-18 |
| 4684333 | Self-priming pump | Norishige Hirakawa, Kazuhiko Sato | 1987-08-04 |
| 4679789 | Video game apparatus with automatic skill level adjustment | — | 1987-07-14 |
| 4668555 | Heat insulating body | Kazutaka Uekado | 1987-05-26 |
| 4657256 | Slot machine with win/loss biasing means | — | 1987-04-14 |
| 4657247 | Video game apparatus with automatically adjusting timing window | — | 1987-04-14 |
| 4625303 | Automatic focusing device | Shinsuke Shikama, Mitsushige Kondou, Nobumasa Egashira | 1986-11-25 |
| 4573681 | Slot machine with random number generation | — | 1986-03-04 |
| 4556140 | Method and apparatus for discriminating coins or bank notes | — | 1985-12-03 |
| 4534560 | Slot machine | — | 1985-08-13 |
| 4508345 | Slot machine with player-friendly bonus game | — | 1985-04-02 |
| 4502134 | Optical disc signal reproducing system with tilt immunization | Mitsushige Kondo, Kazuo Hirasawa | 1985-02-26 |
| 4492379 | Reel type slot machine | — | 1985-01-08 |
| 4482987 | Optical information reproducing apparatus | Fumiaki Imado | 1984-11-13 |
| 4423872 | Pinball game | — | 1984-01-03 |
| 4363961 | Automatic focusing apparatus | Mitsushige Kondo | 1982-12-14 |
| 4305144 | Optically reproducing and tracking system for spiral information track | — | 1981-12-08 |