Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5523996 | Laser light modulation method and apparatus for recording digital audio signals on cinefilm | Shigeo Kubota, Atsuhi Fukumoto | 1996-06-04 |
| 5513290 | Coupling structure of optical fibers and optical waveguides | Shinji Ishikawa, Dai Yui, Shigeru Semura, Masahide Saito, Shigeru Hirai | 1996-04-30 |
| 5481632 | Optical waveguide module and method of manufacturing the same | Shigeru Hirai, Kazunori Kurima, Masahide Saito, Dai Yui, Tomoyuki Hattori | 1996-01-02 |
| 5463708 | Optical waveguide module having a waveguide affixed thereto at a first bonding strength and optical fibers affixed thereto at a second bonding strength | Dai Yui, Shinji Ishikawa, Shigeru Semura | 1995-10-31 |
| 5444804 | Optical waveguide module | Dai Yui, Shinji Ishikawa, Shigeru Semura | 1995-08-22 |
| 5438640 | Optical waveguide device for receiving functional component | Eisuke Sasaoka, Hiroo Kanamori, Shinji Ishikawa, Tatsuhiko Saito | 1995-08-01 |
| 5430821 | Protective structure for an optical fiber coupler and method for protecting the same | Eisuke Sasoka, Tomoyuki Hattori, Hiroaki Takimoto | 1995-07-04 |
| 5417734 | Method of producing optical fiber couplers using rectifier rods to provide even heat distribution | Tomoyuki Hattori, Hiroaki Takimoto, Eisuke Sasaoka, Hiroshi Yokota, Kenichi Matsushita | 1995-05-23 |
| 5395101 | Clamp for use in optical fiber coupler manufacturing apparatus | Hiroaki Takimoto, Junichi Yoshikawa, Kazuhiko Arimoto | 1995-03-07 |
| 5389192 | Apparatus and method for removing a coating from a coated linear material | Hiroaki Takimoto, Junichi Yoshikawa | 1995-02-14 |
| 5329600 | Reflection monitor optical fiber coupler manufacturing system and method | Eisuke Sasaoka, Masumi Fukuma, Hiroaki Takimoto, Hiroshi Yokota, Junichi Yoshikawa +1 more | 1994-07-12 |
| 5325450 | Optical fiber coupler and its manufacturing method | Eisuke Sasaoka, Tomoyuki Hattori, Hiroaki Takimoto, Hiroshi Yokota | 1994-06-28 |
| 5318610 | Fiber coupler manufacturing apparatus having an automatic breaking test device | Hiroaki Takimoto, Kazuhiko Arimoto | 1994-06-07 |
| 5309536 | Process for producing an optical fiber coupler | Tomoyuki Hattori, Hiroaki Takimoto, Yoshiharu Okawa, Hiroshi Yokota, Kazuhiko Arimoto | 1994-05-03 |
| 5306378 | Apparatus and method for removing a coating from a coated linear material | Hiroaki Takimoto, Junichi Yoshikawa | 1994-04-26 |
| 5306323 | Fiber coupler manufacturing apparatus having an automatic breaking test device | Hiroaki Takimoto, Kazuhiko Arimoto | 1994-04-26 |
| 5261018 | Optical-coupler reinforcing material and optical-coupler reinforcing method | Tomoyuki Hattori, Junichi Yoshikawa, Hiroaki Takimoto, Hiroshi Yokota, Nobuo Tomita +1 more | 1993-11-09 |
| 5247598 | Reinforcing apparatus for optical-fiber coupler | Hiroaki Takimoto, Tomoyuki Hattori, Junichi Yoshikawa, Kazuhiko Arimoto | 1993-09-21 |
| 5221307 | Method for producing preform for polarization retaining optical fiber | Masahiro Takagi, Hiroo Kanamori | 1993-06-22 |
| 5208883 | Method of reinforcing optical fiber coupler | Tomoyuki Hattori, Hiroaki Takimoto, Kazuhiko Arimoto | 1993-05-04 |
| 5205851 | Method and apparatus for producing optical fiber coupler | Hiroaki Takimoto, Hiroshi Yokota, Masumi Fukuma, Kazuhiko Arimoto | 1993-04-27 |
| 5176730 | Method of producing optical-fiber coupler | Hiroaki Takimoto, Hiroshi Yokota, Kazuhiko Arimoto | 1993-01-05 |
| 5160522 | Method for producing preform for polarization retaining optical fiber | Masahiro Takagi, Hiroo Kanamori | 1992-11-03 |
| 4900894 | Method of heating a quartz glass tube | Gotaro Tanaka, Akira Urano, Masahiro Takagi, Shunichi Mizuno | 1990-02-13 |
| 4832720 | Method for producing multi-core optical fiber | Minoru Watanabe, Hiroshi Yokota, Shuzo Suzuki | 1989-05-23 |