Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6203725 | Luminescent compound for controlling traveling and method for controlling traveling using the same | Akira Ogiso, Yasuhisa Fujii, Kyozo Kurita, Masataka Iwata, Hisato Itoh | 2001-03-20 |
| 5342974 | Halogenated anthraquinone and their use as near infrared rays absorbing optical filters | Tsukasa Ohyama, Keisuke Takuma, Hiroshi Aiga | 1994-08-30 |
| 5158703 | Resin composition for ultraviolet luminescent screen | Keisuke Takuma, Kimitoshi Kato, Fumio Matsui | 1992-10-27 |