Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734680 | Silicate-based phosphor and manufacturing method of silicate-based phosphor | Kenji Toda, Mineo Sato, Kazuyoshi Uematsu, Tadashi Ishigaki, Etsuko Minegishi +1 more | 2014-05-27 |
| 6352343 | Gas permeable hard contact lens and method of producing it | Kikuo Mitomo, Tohru Shirafuji, Teruhisa Shimizu, Yuichi Yokoyama | 2002-03-05 |
| 5858122 | Materials capable of readily developing natural patina and process for producing the same | Toshio Tani, Minoru Igarashi | 1999-01-12 |
| 5176812 | Copper fin material for heat-exchanger and method of producing the same | Norimasa Sato, Katsuhiko Takada, Sumio Susa, Yasushi Aiyoshizawa, Kenichi Omata | 1993-01-05 |
| 5063117 | Copper fin material for heat-exchanger and method of producing the same | Norimasa Sato, Katsuhiko Takada, Sumio Susa, Yasushi Aiyoshizawa, Kenichi Omata | 1991-11-05 |
| 4892141 | Fin of heat exchanger and method of making it | Shoji Shiga, Akira Matsuda, Nobuyuki Shibata | 1990-01-09 |
| 4780957 | Method for producing rigid-type multilayer printed wiring board | Shoji Shiga, Shinichi Konishi, Yoshiaki Ogiwara | 1988-11-01 |