Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181691 | Mechanical part made of ceramics | Juzo Yagi, Hiroshi Takeda | 1993-01-26 |
| 5168841 | Tappet with ceramic seat plate | Osamu Suzuki, Masaya Ito | 1992-12-08 |
| 5110941 | Methods of producing 1H-pyraolo(5,1-c)-1,2,4-triazoles and pyrazole derivatives | Tadahisa Sato | 1992-05-05 |
| 5099808 | Direct injection diesel engine induction system having vortical flow inducing induction valve | Tooru Matsuura | 1992-03-31 |
| 5089651 | Process for producing 3-iminonitriles | Tadahisa Sato, Yuki Mizukawa | 1992-02-18 |
| 5067369 | Ceramic camshaft | — | 1991-11-26 |
| 5060607 | Tappet structure | — | 1991-10-29 |
| 5052352 | Mechanical part made of ceramics | Juzo Yagi, Hiroshi Takeda | 1991-10-01 |
| 5039568 | Mechanical part made of ceramics | Juzo Yagi, Hiroshi Takeda | 1991-08-13 |
| 5035959 | Steel body having ceramic tip soldered thereto | Masaya Ito | 1991-07-30 |
| 4988034 | Mechanical part having ceramic and metal sections soldered together and method of producing same | Harumi Suzuki | 1991-01-29 |
| 4969918 | Rotary valve operating mechanism | — | 1990-11-13 |
| 4930546 | Heat-insulating metal-ceramic structure | Mitsuyoshi Kawamura | 1990-06-05 |
| 4887568 | Ceramic insert for defining precombustion chamber in cylinder head | Tooru Matsuura | 1989-12-19 |
| 4881500 | Poppet valve made of ceramics | Takio Kojima | 1989-11-21 |
| 4875442 | Ceramic rocker arm | Shigeaki Akao | 1989-10-24 |
| 4850095 | Method of forming crowned sliding surface in mechanical part | Shigeaki Akao, Masaya Ito | 1989-07-25 |
| 4841922 | Method of making a rocker arm | Mitsuyoshi Kawamura, Noboru Ishida, Masaya Ito | 1989-06-27 |
| 4841120 | Thermal head | Masamori Yagino, Yoshitomo Ito, Toshimitsu Takano, Wataru Ishikawa, Sadatoshi Kikuchi +1 more | 1989-06-20 |
| 4838218 | Ceramic valve supporting structure in use for internal combustion engine | Yasushi Sato, Shigeru Nagasaki, Junichi Kagawa, Mitsuyoshi Kawamura | 1989-06-13 |
| 4828009 | Method of manufacturing a complex body of sintered ceramic material and metal | Yoshinori Narita | 1989-05-09 |
| 4803766 | Mounting of ceramic tip on metal rocker arm | Shigeaki Akao, Takio Kojima | 1989-02-14 |
| 4704998 | Mounting structure for ceramic sub-combustion chambers | Takio Kojima | 1987-11-10 |
| 4699102 | Structure for mounting sub-combustion chamber in an internal combustion engine | — | 1987-10-13 |
| 4691673 | Ceramic auxiliary combustion chamber | Takio Kojima | 1987-09-08 |