Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170995 | Ferrule for optical-fiber connector | Seiko Mitachi, Ryo Nagase, Yoshiaki Takeuchi, Takashi Tanabe, Akihiko Sakamoto +2 more | 2001-01-09 |
| 5691254 | Enamel frit composition for a low-expansion crystallized glass and enamel-coated low-expansion crystallized glass plate using the same | Akihiko Sakamoto, Kiyoshi Katagi | 1997-11-25 |
| 5624761 | Fire-protection and safety composite glass panel | Akihiko Sakamoto, Tadashi Takahashi | 1997-04-29 |
| 5462805 | Fire-protection and safety glass panel | Akihiko Sakamoto, Tadashi Takahashi | 1995-10-31 |
| 5403664 | Marble-like glass ceramic | Toyohide Kurahashi, Yoshio Hashibe | 1995-04-04 |
| 5061307 | Crystallized glass having natural-marble-like surface patterns and method of producing the same | Takahiro Matano, Yoshio Hashibe, Takehiro Shibuya | 1991-10-29 |
| 5034353 | Biocompatible glass ceramics | Takehiro Shibuya, Akira Matsui, Yoshinori Morita, Kiyoyuki Okunaga | 1991-07-23 |