Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7267808 | Aluminum nitride powder, method for producing the same and use thereof | Masato Yamazaki, Kenshi Mitsuishi, Masao Tanaka, Kohichi Haruta, Koji Watari +3 more | 2007-09-11 |
| 7021487 | Processing method for high pressure gas container and halogen containing gas filled in said container | Akio Kikkawa, Shigeo Kanayama | 2006-04-04 |
| 6284209 | Agent for and process of treating exhaust gas | Sadaichi Komohara | 2001-09-04 |
| 5728642 | Exhaust gas treating agent and a method of treating exhaust gas using the agent | Makoto Aritsuka, Sadaichi Komohara | 1998-03-17 |
| 5346682 | Process for the preparation of partially-substituted fluorosilane | Makoto Aritsuka, Atsuhisa Mimoto | 1994-09-13 |
| 5191503 | Lightning surge protector | Takeshi Kawamura, Tomohisa Matsushita | 1993-03-02 |
| 5183647 | Method for purifying nitrogen trifluoride gas | Hisashi Hokonohara, Toshiaki Yamaguchi | 1993-02-02 |
| 5084156 | Electrolytic cell | Naruyuki Iwanaga, Tosiaki Yamaguti, Nobuhiko Fujieda, Yoshihiro Tsuzikawa | 1992-01-28 |
| 4980144 | Process for purifying nitrogen trifluoride gas | Nobuhiko Koto, Toshihiko Nishitsuji, Naruyuki Iwanaga | 1990-12-25 |
| 4975259 | Method of liquefying and condensing nitrogen trifluoride and a method of purifying nitrogen trifluoride | Hiroyuki Hyakutake, Naruyuki Iwanaga, Toshihiko Nishitsuji | 1990-12-04 |
| 4960581 | Method for preparing gaseous metallic fluoride | Yukihiro Yoda, Naruyuki Iwanaga, Toshihiko Nishitsuji, Akio Kikkawa | 1990-10-02 |
| 4948571 | Process for purifying nitrogen trifluoride gas | Hisashi Hokonohara, Toshiaki Yamaguchi | 1990-08-14 |
| 4644914 | Valve mechanism of internal combustion engine | Shuji Morita, Katsujiro Sato, Yoshio Asaoka, Tomiyasu Hirano | 1987-02-24 |