Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961979 | Optical recording medium | Atsuko Iida, Hirosi Ohdaira, Reiji Nishikawa, Norio Ozawa | 1990-10-09 |
| 4792433 | CO gas detecting device and circuit for driving the same | Masayuki Shiratori | 1988-12-20 |
| 4791465 | Field effect transistor type semiconductor sensor and method of manufacturing the same | Tadashi Sakai, Hideaki Hiraki, Shigeki Uno, Masaru Shimbo, Kazuyoshi Furukawa | 1988-12-13 |
| 4569826 | Gas detecting element | Masayuki Shiratori, Tadashi Sakai, Osamu Takikawa | 1986-02-11 |
| 4499054 | Cation emission type halogenated hydrocarbon gas detecting element | Mituo Harata, Osamu Takikawa, Masayuki Shiratori | 1985-02-12 |
| 4470882 | Gas leak detector | Mituo Harata, Osamu Takikawa, Masayuki Shiratori | 1984-09-11 |
| 4449919 | Gas combustion apparatus capable of detecting environmental oxygen deficiency | Osamu Takikawa, Chiaki Tanuma, Katsunori Yokoyama | 1984-05-22 |
| 4424508 | Moisture sensitive element | Mituo Harata, Shigeki Uno, Hideaki Hiraki, Masayuki Shiratori | 1984-01-03 |
| 4407778 | Freon gas detecting element | Masayuki Shiratori | 1983-10-04 |
| 4336163 | Oxide negative resistance element | Noboru Ichinose, Yuhji Yokomizo | 1982-06-22 |
| 4259292 | Gas detecting element | Noboru Ichinose, Hideo Okuma, Yuji Yokomizo, Takashi Takahashi, Mieko Nishihara | 1981-03-31 |
| 4242303 | Gas detecting element | Takashi Takahashi, Tadao Kaneda, Hideaki Hiraki, Masayuki Shiratori | 1980-12-30 |