Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323283 | Method of producing an electrostatic charge image developing toner | Hirokazu Kambara, Tomomi Yamazaki | 2008-01-29 |
| 6737187 | Closed battery | Akiyoshi Takada, Kinji Saijo, Kazuo Yoshida, Yoshihiko Isobe | 2004-05-18 |
| 6497978 | Explosion-proof safety valve assemblage for a secondary battery | Akiyoshi Takada, Kinji Saijo, Kazuo Yoshida, Yoshihiko Isobe | 2002-12-24 |
| 6440599 | Hermetically sealed cell | Akiyoshi Takada, Kinji Saijo, Kazuo Yoshida, Yoshihiko Isobe | 2002-08-27 |
| 6423440 | Closed battery and closing member | Akiyoshi Takada, Kinji Saijo, Kazuo Yoshida, Yoshihiko Isobe | 2002-07-23 |
| 6303246 | Hermetically sealed cell and sealing body | Akiyoshi Takada, Kinji Saijo, Kazuo Yoshida, Yoshihiko Isobe | 2001-10-16 |
| 6257267 | Safety valve element for capacitor and capacitor case lid with safety valves | Kinji Saijo, Kazuo Yoshida, Yoshihiko Isobe | 2001-07-10 |
| 6210825 | Safety valve element for battery and battery case cap with safety valve | Akiyoshi Takada, Akira Takagi, Kinji Saijo, Kazuo Yoshida, Yoshihiko Isobe | 2001-04-03 |
| 6150037 | Cladding material | Kinji Saijo, Kazuo Yoshida, Yoshihiko Isobe | 2000-11-21 |
| 4863825 | Low temperature electrophotographic toner composition comprising nonlinear polyester resin | Hirobumi Iemura, Osamu Oseto, Nobuo Yamada | 1989-09-05 |