Issued Patents 1994
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338327 | Method of flame abrasion of glass preform | Yuichi Ohga, Toshio Danzuka, Masahide Saito, Kouji Amemiya | 1994-08-16 |
| 5339317 | Packet communications network and communications method | Tsutomu Tanaka, Kouji Kubota | 1994-08-16 |
| 5339314 | Packet data transmission unit having occupied, idle, and released states therefor | Tsutomu Tanaka | 1994-08-16 |
| 5329600 | Reflection monitor optical fiber coupler manufacturing system and method | Eisuke Sasaoka, Masumi Fukuma, Hiroaki Takimoto, Hiroshi Suganuma, Junichi Yoshikawa +1 more | 1994-07-12 |
| 5325450 | Optical fiber coupler and its manufacturing method | Hiroshi Suganuma, Eisuke Sasaoka, Tomoyuki Hattori, Hiroaki Takimoto | 1994-06-28 |
| 5309536 | Process for producing an optical fiber coupler | Hiroshi Suganuma, Tomoyuki Hattori, Hiroaki Takimoto, Yoshiharu Okawa, Kazuhiko Arimoto | 1994-05-03 |
| 5306322 | Process for thermal treatment of glass fiber preform | Shinji Ishikawa, Yuichi Ohga, Ichiro Tsuchiya, Hiroo Kanamori, Michihisa Kyoto | 1994-04-26 |