Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7473549 | Target recognition element and biosensor including the same | Atsushi Ikeda, Jun Kikuchi, Yoko Hayashi, Takaaki Shimasaki | 2009-01-06 |
| 6078041 | Integrating cylindrical pixel density detector | Masakazu Karita | 2000-06-20 |
| 5870174 | Variable density image processing apparatus | Tadashi Iwasa, Makoto Yamaguchi | 1999-02-09 |
| 5724153 | Variable density image processing method and variable density image processing apparatus thereof | Makoto Yamaguchi | 1998-03-03 |
| 5121050 | Method of measuring physical properties by super-thin liquid membrane forming mode and interface reaction detection type boisensor by super-thin liquid membrane forming mode | Katsuhiko Tomita, Junji Kojima, Takeshi Kohno | 1992-06-09 |
| 5024951 | Method of calibrating a sheet type electrode | Katsuhiko Tomita | 1991-06-18 |
| 4980043 | Reference electrode | Katsuhiko Tomita | 1990-12-25 |
| 4883563 | Method of manufacturing a thin glass membrane | Katsuhiko Tomita, Takaaki Yada, Tsuyoshi Nakanishi | 1989-11-28 |
| 4872956 | Methods of measuring ion-concentration and the like and a calibrating sheet as well as a calibrating method of measuring devices used therein | Katsuhiko Tomita | 1989-10-10 |
| 4872966 | Sheet type electrode for use in the measurement of ion concentrations | Katsuhiko Tomita | 1989-10-10 |
| 4857166 | Reference electrode | — | 1989-08-15 |
| 4816132 | Sheet type electrode | Katsuhiko Tomita, Takaaki Yada, Tsuyoshi Nakanishi | 1989-03-28 |
| 4572609 | Cooling mechanism for optical fiber | Shiro Sakuragi, Mitsunori Saitoh, Kyoshiro Imagawa | 1986-02-25 |
| 4475040 | Pyroelectric infrared detector | Koichi Matsumoto | 1984-10-02 |
| 4443684 | CO.sub.2 Laser machining apparatus | Shiro Sakuragi, Kyoshiro Imagawa, Mitsunori Saito, Tomoyuki Haga | 1984-04-17 |
| 4403186 | Surface pressure measurement type magnetic analyzer for paramagnetic gases utilizing a magnetic field generated alternatively between plural pairs of magnetic pole pieces | Tomoyuki Haga | 1983-09-06 |
| 4381141 | Infrared optical fiber and method for manufacture thereof | Shiro Sakuragi | 1983-04-26 |