Issued Patents All Time
Showing 101–125 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552116 | Test strip pick-up mechanism in automated analyzer | Keiji Takahashi | 1996-09-03 |
| 5540887 | Test strip overturning mechanism in automated analyzer | Keiji Takahashi | 1996-07-30 |
| 5539747 | Flow control method | Yukiko Ito, Tsutomu Tanaka, Tatsuro Ikoma, Chishio Ueno, Kouji Kubota | 1996-07-23 |
| 5474589 | UV light-permeable glass and article comprising the same | Yuichi Ohga, Shinji Ishikawa, Tatsuhiko Saito, Michihisa Kyoto | 1995-12-12 |
| 5420041 | Method of acid value determination by infrared absorption | Kazuhiko Matsushita, Keiji Fujita, Akihiro Tsukamoto | 1995-05-30 |
| 5417734 | Method of producing optical fiber couplers using rectifier rods to provide even heat distribution | Hiroshi Suganuma, Tomoyuki Hattori, Hiroaki Takimoto, Eisuke Sasaoka, Kenichi Matsushita | 1995-05-23 |
| 5339314 | Packet data transmission unit having occupied, idle, and released states therefor | Tsutomu Tanaka | 1994-08-16 |
| 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 |
| 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 |
| 5261018 | Optical-coupler reinforcing material and optical-coupler reinforcing method | Hiroshi Suganuma, Tomoyuki Hattori, Junichi Yoshikawa, Hiroaki Takimoto, Nobuo Tomita +1 more | 1993-11-09 |
| 5260934 | Growable interconnect fabric cell switch module | Tsutomu Tanaka | 1993-11-09 |
| 5259856 | Method of producing glass preform in furnace for heating glass | Yuichi Ohga, Shinji Ishikawa, Hiroo Kanamori, Ichiro Tsuchiya | 1993-11-09 |
| 5238479 | Method for producing porous glass preform for optical fiber | Yuichi Ohga, Toshio Danzuka, Hiroo Kanamori | 1993-08-24 |
| 5227986 | Spectrometric method free from variations of error factors | Masaaki Kimura | 1993-07-13 |
| 5207813 | Method for producing glass article | Toshio Danzuka, Masumi Ito, Masahiro Takagi | 1993-05-04 |
| 5205851 | Method and apparatus for producing optical fiber coupler | Hiroshi Suganuma, Hiroaki Takimoto, Masumi Fukuma, Kazuhiko Arimoto | 1993-04-27 |
| 5196383 | Method for producing rare earth element-doped glass by sol-gel process | Masumi Ito, Tatsuhiko Saitoh | 1993-03-23 |
| 5176730 | Method of producing optical-fiber coupler | Hiroshi Suganuma, Hiroaki Takimoto, Kazuhiko Arimoto | 1993-01-05 |
| 5140417 | Fast packet transmission system of video data | Tsutomu Tanaka, Masaru Fuse | 1992-08-18 |
| 5106401 | Process for thermal treatment of glass fiber preform | Shinji Ishikawa, Yuichi Ohga, Ichiro Tsuchiya, Hiroo Kanamori, Michihisa Kyoto | 1992-04-21 |
| 5097130 | Quantitative determination method of chemicals for processing semiconductor and an apparatus thereof | Katsue Koashi, Naoki Yanai | 1992-03-17 |