Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7217780 | Polyether ketone and method of producing the same | Masahiro Toriida, Takashi Kuroki, Takaharu Abe, Akira Hasegawa, Kuniyuki Takamatsu +4 more | 2007-05-15 |
| 4840593 | Low pressure mercury vapor discharge lamp and preparation thereof | Takao Takeda, Hitoshi Yamazaki, Norihiko Tanaka, Hiroshi Ito, Minoru Uchida +1 more | 1989-06-20 |
| 4725298 | Method for making low pressure mercury vapor discharge lamp | Takao Takeda, Hitoshi Yamazaki, Norihiko Tanaka, Hiroshi Ito, Minoru Uchida +1 more | 1988-02-16 |
| 4703227 | Low pressure mercury vapor discharge lamp and preparation thereof | Takao Takeda, Hitoshi Yamazaki, Norihiko Tanaka, Hiroshi Ito, Minoru Uchida +1 more | 1987-10-27 |