Issued Patents All Time
Showing 176–180 of 180 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304790 | System design/evaluation CAD system and program storage medium | Takeo Nakamura, Eiko Kobuchi, Masato Ohtsuka, Takashi Saitoh, Yukiyasu Kobayashi | 2001-10-16 |
| 5237776 | Sealing devices for doors | — | 1993-08-24 |
| 5199478 | Air-tightening devices in folding doors and windows | — | 1993-04-06 |
| 4797073 | Pump with rotating and reciprocating piston | — | 1989-01-10 |
| 4231716 | Mechanical lubricating pump | Osamu Mukai, Kenji Kariyama | 1980-11-04 |