Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561799 | Optical path switching device | Masayuki Togawa | 2009-07-14 |
| 7062119 | Optical device | Masayuki Togawa, Minoru Takeda, Masahiro Kanbara | 2006-06-13 |
| 6873448 | Optical path switching apparatus | Masayuki Togawa | 2005-03-29 |
| 6819827 | Optical path switching apparatus | Masayuki Togawa, Junichirou Asano, Tsutomu Takahashi, Yoshinori Oonuma, Masahiro Kanbara | 2004-11-16 |
| 6072174 | Magneto-optically modulating system for monitoring relative relationship between an object and a magneto-optic effect element | Masayuki Togawa, Masahiro Kambara | 2000-06-06 |
| 5434934 | Magneto-optically modulating system | Masayuki Togawa, Kiyoshi Toyama, Minoru Takeda | 1995-07-18 |
| 5235308 | Thermal protector | Toshio Shimada, Takemi Tada, Hirokazu Yokonaga | 1993-08-10 |
| 5184269 | Overload protective device | Toshio Shimada, Takemi Tada, Shigeya Kawaminami | 1993-02-02 |
| 4978612 | Analytical element for determination of hydrogen peroxide and analytical method using the same | Masakazu Sugao | 1990-12-18 |
| 4937047 | Analytical element | Seiji Hidaka, Takashi Ishihara, Isao Haga, Hiroshi Iwadate | 1990-06-26 |
| 4914020 | Multi-layer analytical element with preserved enzyme containing spreading layer | Kazumi Arai, Mikio Koyama, Kenichiro Okaniwa, Takasi Momose, Kunihiro Furukawa +1 more | 1990-04-03 |
| 4750799 | Hybrid optical integrated circuit | Masao Kawachi, Yasufumi Yamada, Mitsuho Yasu, Hiroshi Terui | 1988-06-14 |
| 4735677 | Method for fabricating hybrid optical integrated circuit | Masao Kawachi, Yasufumi Yamada, Mitsuho Yasu, Hiroshi Terui | 1988-04-05 |
| 4732736 | Analytical element for the detection hydrogen peroxide | Kenichiro Okaniwa, Mikio Koyama, Kunihiro Furukawa, Soichi Zanma | 1988-03-22 |
| 4729948 | Dry analytical element for .alpha.-amylase | Masakuni Saruhashi, Isao Haga, Kazumi Arai | 1988-03-08 |
| 4718247 | Refrigerator temperature control system | Minoru Kobayashi, Kenichi Iizuka, Ryoichi Fujimoto | 1988-01-12 |
| 4609617 | Polyester film support having epoxy copolymer coating for photographic use | Toshiaki Yamazaki, Takanori Nakadate, Kenichi Kitahara, Noboru Fujimori, Ryuji Shimosaki | 1986-09-02 |
| 4571379 | Photographic polyester supports with copolymer subbing layer | Toshiaki Yamazaki, Takanori Nakadate, Kenichi Kitahara, Noboru Fujimori, Ryuji Shimosaki | 1986-02-18 |
| 4427764 | Protective coating for silver halide photographic light-sensitive material | Noriki Tachibana, Noboru Fujimori | 1984-01-24 |
| 4402755 | Gelatin hardening method and agents therefor | Takashi Sasaki | 1983-09-06 |
| 4365862 | Optical switch | Hiroshi Terui | 1982-12-28 |
| 4350867 | Fusion splicing of multi-layer optical fiber bundles | Kyoichi Kinoshita | 1982-09-21 |
| 4241172 | Light-sensitive silver halide color photographic material | Kenichiro Okaniwa, Takashi Uchida, Hiroshi Sugita, Takashi Sasaki | 1980-12-23 |