Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940083 | Isotopic gas analyzer and method of judging absorption capacity of carbon dioxide absorbent | Yasuhiro Kubo, Masahiko Miyoshi, Tamotsu Hamao, Hiroaki Mizui | 2005-09-06 |
| 6930104 | Heterocyclic derivatives | Mitsuru Kakihana, Kaneyoshi Kato, Toshiro Yamashita | 2005-08-16 |
| 6455852 | Stable isotope measurement method and apparatus by spectroscopy | Yasuhiro Kubo, Kazunori Tsutsui | 2002-09-24 |
| 6444985 | Stable isotope measurement method and apparatus by spectroscopy | Yasuhiro Kubo, Kazunori Tsutsui | 2002-09-03 |
| 6274870 | Method for spectrometrically measuring isotopic gas and apparatus thereof | Yasuhiro Kubo, Katsuhiro Morisawa, Yasushi Zasu, Eiji Ikegami, Kazunori Tsutsui +2 more | 2001-08-14 |
| 5964712 | Apparatus and breathing bag for spectrometrically measuring isotopic gas | Yasuhiro Kubo, Katsuhiro Morisawa, Yasushi Zasu, Eiji Ikegami, Kazunori Tsutsui +2 more | 1999-10-12 |
| RE35886 | Phosphonic acid derivatives and use thereof | Mitsuhiro Wakimasu, Akira Kawada | 1998-09-01 |
| 5353830 | Apparatus for automatically switching conduit pipes of liquid treating plant | Shigetoshi Mochizuki, Hironori Kitazaki, Michio Nagasawa, Yoshihiko Akiyama, Hiroaki Naruse +2 more | 1994-10-11 |
| 5330978 | Phosphonic acid derivatives and use thereof | Mitsuhiro Wakimasu, Akira Kawada | 1994-07-19 |
| 4845520 | System for driving a thermal print head for constant dot density | — | 1989-07-04 |
| 4827288 | Pattern memory for use in thermal recording | Chiharu Okada | 1989-05-02 |
| 4748455 | System for driving a thermal print head | — | 1988-05-31 |
| 4688051 | Thermal print head driving system | Toshio Kawakami, Chiharu Okada | 1987-08-18 |
| 4684959 | Thermal recording system using unregulated power supply | Chiharu Okada | 1987-08-04 |
| 4648687 | Optical switching device | Taizo Yoshida, Jiro Koyama, Masamitsu Haruna | 1987-03-10 |
| 4640023 | Apparatus for manufacturing powdered silicon nitride | Akira Sano, Yushi Horiuchi, Yoshihiro Okumura | 1987-02-03 |
| 4605813 | Amorphous silicon solar battery | Yukihisa Takeuchi, Kenji Maekawa, Toshiaki Nishizawa | 1986-08-12 |
| 4514370 | Process for preparing silicon nitride powder | Hiroshi Inoue, Katsutoshi Komeya, Akihiko Tsuge, Kazunari Koide, Tetsuro Urakawa | 1985-04-30 |
| 4336981 | Simultaneous multi-beam optical modulation system | — | 1982-06-29 |
| 4293195 | Simultaneous multi-beam optical modulation system | — | 1981-10-06 |
| 4269482 | Simultaneous multi-beam optical modulation system | — | 1981-05-26 |
| 4243621 | .beta.'-Sialon sintered body and a method for manufacturing the same | Tamotu Ogawa, Norihira Takai | 1981-01-06 |