Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134910 | Absorption refrigerator | Akira Maruyama, Hiroshi Kamiya | 2000-10-24 |
| 6037308 | Diphenyl sulfone crosslinking type compounds and recording materials using them | Hiroshi Fujii, Shinichi Sato, Izuo Aoki | 2000-03-14 |
| 5875649 | Absorption liquid spreading structure for interior of absorption chamber in air conditioner | Katsusuke Ishiguro, Akira Maruyama | 1999-03-02 |
| 5794456 | Absorption-type air conditioning apparatus having fin tube absorption liquid regenerators | Katsusuke Ishiguro, Akira Maruyama | 1998-08-18 |
| 5739078 | Fluoran compounds, intermediates and color forming recording materials | Mitsuhiro Yanagita, Shigemi Suga, Tomoya Hidaka, Toru Kawabe, Mamoru Aizawa +2 more | 1998-04-14 |
| 5463133 | Phenethyl alcohol derivative and recording material containing the same | Kimiaki Kinosita, Minoru Kaeriyama, Tomoya Hidaka | 1995-10-31 |
| 5380887 | Diphenylsulfone derivatives and heat sensitive recording materials | Takafumi Tohyama, Kousaku Morita, Masaaki Uchikawa, Nobuyuki Hirai | 1995-01-10 |
| 5340788 | Diphenylsulfone derivatives and heat sensitive recording materials | Takafumi Tohyama, Kousaku Morita, Masaaki Uchikawa, Nobuyuki Hirai | 1994-08-23 |