Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620852 | Grained artificial leather having good color fastness and dyeing method of ultrafine polyamide fibers | Shiro Imai, Kenkichi Yagi, Yuriko Yoshida, Masato Shimada, Junnosuke Nagashima +1 more | 1986-11-04 |
| 4559508 | Distribution constant filter with suppression of TE11 resonance mode | Tadahiro Yorita | 1985-12-17 |
| 4552112 | Valve timing control for internal combustion engines | Akihito Nagao, Kouichi Takahashi, Shunji Masuda, Misao Fujimoto | 1985-11-12 |
| 4546334 | Electrical filter device | Youhei Ishikawa, Tadahiro Yorita | 1985-10-08 |
| 4528655 | Apparatus for detecting variation of electrostatic capacitance | Sadahiro Tamura | 1985-07-09 |
| 4517947 | Multiple cylinder engine having air-fuel ratio control means in accordance with a signal from an exhaust gas sensor | Tadashi Kaneko, Kazutoshi Othuka | 1985-05-21 |
| 4464640 | Distribution constant type filter | Sadahiro Tamura, Hiroshi Tamura | 1984-08-07 |
| 4423397 | Dielectric resonator and filter with dielectric resonator | Youhei Ishikawa, Sadahiro Tamura, Yoji Ito | 1983-12-27 |
| 4398164 | Coaxial resonator | Sadahiro Tamura, Youhei Ishikawa, Haruo Matsumoto | 1983-08-09 |
| 4342972 | Microwave device employing coaxial resonator | Youhei Ishikawa, Sadahiro Tamura, Haruo Matsumoto | 1982-08-03 |
| 4325035 | Oscillator using dielectric resonator | Yoji Ito, Youhei Ishikawa, Sadahiro Tamura | 1982-04-13 |
| 4321560 | Oscillator using dielectric resonator | Yoji Ito, Youhei Ishikawa, Sadahiro Tamura | 1982-03-23 |
| 4276525 | Coaxial resonator with projecting terminal portion and electrical filter employing a coaxial resonator of that type | Sadahiro Tamura, Youhei Ishikawa | 1981-06-30 |
| 4266975 | Anticorrosive coating composition | Takao Higashiyama | 1981-05-12 |
| 4245198 | High frequency filter device | Youhei Ishikawa, Sadahiro Tamura, Haruo Matsumoto | 1981-01-13 |
| 4223287 | Electrical filter employing transverse electromagnetic mode coaxial resonators | Youhei Ishikawa, Sadahiro Tamura, Haruo Matsumoto | 1980-09-16 |
| 4200847 | Rectangular branching filter having plurality of rod members for fine impedance matching | Yoji Ito, Youhei Ishikawa, Sadahiro Tamura | 1980-04-29 |
| 4184130 | Filter devices incorporating dielectric resonators and leakage cable | Sadahiro Tamura, Youhei Ishikawa, Yoji Ito | 1980-01-15 |