Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5952590 | Sintered alloy having superb wear resistance and process for producing the same | Hideaki Kawata, Koichiro Hayashi, Katsuaki Sato | 1999-09-14 |
| 5779972 | Heat resisting alloys, exhaust valves and knit meshes for catalyzer for exhaust gas | Toshiharu Noda, Michio Okabe, Katsuaki Sato | 1998-07-14 |
| 5733214 | System for adjusting tension of endless transmitting belt in internal combustion engine | Katsuaki Shiki, Kaoru Shimamura | 1998-03-31 |
| 5676192 | Cast-in process | Fujio Itabashi, Kaoru Kamibayashi, Akira Fujiwara, Noriyuki Yamada | 1997-10-14 |
| 5660938 | Fe-Ni-Cr-base superalloy, engine valve and knitted mesh supporter for exhaust gas catalyzer | Koji Sato, Takehiro Ohno, Katsuaki Sato | 1997-08-26 |
| 5567383 | Heat resisting alloys | Toshiharu Noda, Katsuaki Sato | 1996-10-22 |
| 5529641 | Cast iron slide member | Akira Fujiwara, Noriyuki Yamada | 1996-06-25 |
| 5466276 | Valve seat made of secondary hardening-type high temperature wear-resistant sintered alloy | Katsuaki Sato, Katsuhiko Tominaga, Osamu Kawamura, Teruo Takahashi, Arata Kakiuchi | 1995-11-14 |
| 5273570 | Secondary hardening type high temperature wear-resistant sintered alloy | Katsuaki Sato, Katsuhiko Tominaga, Osamu Kawamura, Teruo Takahashi, Arata Kakiuchi | 1993-12-28 |
| 5049183 | Sintered machine part and method | Akira Fujiwara, Tadayuki Tsutsui, Osamu Murai, Kei Ishii | 1991-09-17 |
| 4975229 | Process for producing laminated resin foam | Tetsuo Kita, Masahiro Miyazaki, Minoru Maeda | 1990-12-04 |
| 4952199 | Toothed sintered pulley | Katsuaki Sato | 1990-08-28 |
| 4928641 | Lubricant supplying system for DOHC type multi-cylinder internal combustion engine | Tomonori Niizato, Tsuneo Tanai, Kazuhiro Kasahara, Toshihiro Oikawa | 1990-05-29 |
| 4923183 | Non-circular cross-section coil spring | — | 1990-05-08 |
| 4911112 | Valve operating system for internal combustion engines | Toshihiro Oikawa, Noriyuki Yamada, Toshiki Kobayashi, Tsuneo Tanai | 1990-03-27 |
| 4883027 | Valve operating system for internal combustion engines | Toshihiro Oikawa, Tsuneo Tanai, Noriyuki Yamada, Toshiki Kobayashi | 1989-11-28 |
| 4810287 | Process for producing steel for valve springs | Tomohito Iikubo, Yukio Ito | 1989-03-07 |
| 4795609 | High-strength steel for valve springs, process for producing the steel, and valve springs made of the same | Tomohito Iikubo, Yukio Ito | 1989-01-03 |
| 4485770 | Material for valve-actuating mechanism of internal combustion engine | Toshihiro Kamiyama, Hiroyuki Endo, Yutaka Ikenoue | 1984-12-04 |