Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12360405 | Optical semiconductor device | Yuki Kamata, Hiroyuki Tarumi, Koichi Oyama, Keizo Takemasa, Kenichi Nishi | 2025-07-15 |
| 12149053 | Semiconductor device | Hitoshi Yamada, Yuki Kamata, Koichi Oyama, Kenichi Nishi, Keizo Takemasa | 2024-11-19 |
| 7227036 | Production process of aminomethyl group-containing benzamide compound | Hideo Miyata, Kimitaka Ohshiro | 2007-06-05 |
| 6720458 | Photooxidation catalyst and production process for aldehyde derivatives | Kohei Morikawa, Shunichi Fukuzumi, Kei Ohkubo | 2004-04-13 |
| 6624336 | Process for producing tetrafluorobenzenemethanols | Toru Sasaki, Tetsuhiro Furukawa, Toru Yoshida, Hiroyuki Monzen, Hideo Miyata +1 more | 2003-09-23 |
| 6245935 | Method for producing isocyanatoalkyl (meth)acrylate | Naoaki Misu, Shinya Matsuhira, Muneyo Kihara | 2001-06-12 |
| 5350775 | Benzopyran derivative, method for producing the same and use thereof | Naoaki Misu, Yoshimasa Ishimura, Nobutake Mihara | 1994-09-27 |
| 5338098 | Seat back of an automotive seat | — | 1994-08-16 |
| 4954631 | Fluoran compounds and color forming recording materials using same | Takeo Obitsu, Shinji Yoshinaka, Minoru Koguchi, Mitsuhiro Yanagita, Nobuyuki Hirai | 1990-09-04 |
| 4826806 | Fluoran compounds and color forming recording materials using same | Takeo Obitsu, Shinji Yoshinaka, Minoru Koguchi, Mitsuhiro Yanagita, Nobuyuki Hirai | 1989-05-02 |
| 4794069 | Spirobenzanthracene phthalide compounds, processes for preparing same and color forming recording materials containing said compounds | Shinji Yoshinaka, Toshiyuki Tanaka, Minoru Koguchi, Takeo Obitsu | 1988-12-27 |
| 4576323 | Fillet-welding equipment for pipe materials | — | 1986-03-18 |
| 4550872 | Fillet-welding equipment for pipe materials | — | 1985-11-05 |
| 4472201 | Hydraulic heat-resisting material and premold product made of such hydraulic heat-resisting material | Yoshiyuki Ochi, Yoshihiko Uchida, Kotaro Kuroda, Yutaka Shibata | 1984-09-18 |