Issued Patents All Time
Showing 276–292 of 292 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4399791 | Air-fuel mixture control for automobile engine having fuel injection system | Hideki Tanaka, Katsuyoshi Iida, Junji Kamite | 1983-08-23 |
| 4387067 | Ceramic arc tube of metal vapor discharge lamps and a method of producing the same | Mamoru Furuta, Yoshio Maeno | 1983-06-07 |
| 4385616 | Air-fuel mixture control for automobile engine having fuel injection system | Hideki Tanaka, Katsuyoshi Iida, Junji Kamite | 1983-05-31 |
| 4368448 | Water cooling apparatus for electric circuit elements | Shigeo Kobayashi, Eiki Takahashi | 1983-01-11 |
| 4368442 | Mercury switch | Kohmei Yamaguchi, Takeo Furukawa | 1983-01-11 |
| 4331100 | Magnetic brush development apparatus | Manabu Mochizuki, Masahide Harada, Mitsuo Tanaka, Kouji Suzuki, Kazuaki Tagawa | 1982-05-25 |
| 4303619 | Apparatus for continuously producing potassium sulfate | Heima Hirai | 1981-12-01 |
| 4224918 | Cylinder head construction | Kazuyuki Tanaka, Itsuro Okabe, Toshimitsu Tanaka | 1980-09-30 |
| 4217467 | Amplitude and periodic phase modulation transmission system | Kiyohiro Yuki, Yutaka Suzuki | 1980-08-12 |
| 4215540 | Exhaust gas purifying apparatus for automobile multi-cylinder engine | Tadataka Nakazumi, Tatsuro Oda, Kazuyuki Tanaka | 1980-08-05 |
| 4215542 | Exhaust gas purifying apparatus for automobile multi-cylinder engine | Tatsuro Oda, Tadataka Nakazumi, Kazuyuki Tanaka | 1980-08-05 |
| 4215541 | Dual-catalyst exhaust gas purifying apparatus for multi-cylinder engine | Kazuyuki Tanaka, Tatsuro Oda, Tadataka Nakazumi | 1980-08-05 |
| 4215158 | Magnetic recording medium and process for producing the same | Seizi Hattori, Takehiko Nakagawa, Koichi Makino, Wakatake Matsuda | 1980-07-29 |
| 4209564 | Flexible foamed product with skin and process for its manufacture | Takao Nomura, Yoshio Taguchi, Isao Sakata | 1980-06-24 |
| 4206056 | Continuous filtration/separation apparatus | Hyosuke Nagase, Tetsuya Satoh, Shigeru Nojima | 1980-06-03 |
| 4201175 | Cylinder head construction | Kazuyuki Tanaka, Itsuro Okabe, Toshimitsu Tanaka | 1980-05-06 |
| 4181105 | Ignition timing control for internal combustion engine having a dual induction type intake system | Yasunori Takemoto, Koji Asanomi | 1980-01-01 |