Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7287459 | Piston for internal combustion engine | Naoko Sato, Takashi Shiraishi, Yasunori Murakami | 2007-10-30 |
| 7147919 | Expansion graphite sheet of high thermal resistance, and exhaust gasket of high thermal resistance | Kouichi Nakajima, Shintaro Koike, Yoshiaki Hamada, Yukihiro Ichio, Yasunori Murakami +2 more | 2006-12-12 |
| 6235413 | Slide surface construction and process for producing the same | Kenji Dosaka, Yusuke Toyoda, Takahiro Gunji, Kenji Hirose, Hiroshi Koinuma | 2001-05-22 |
| 5952114 | Functional copper skin film | Takahiro Gunji, Kenji Dosaka | 1999-09-14 |
| 5928800 | Slide surface construction | Yusuke Toyoda, Kenji Dosaka, Takahiro Gunji, Kenji Hirose | 1999-07-27 |
| 5897968 | Slide surface construction and process for producing the same | Kenji Dosaka, Yusuke Toyoda, Hiroshi Koinuma | 1999-04-27 |
| 5882804 | Slide surface construction | Yusuke Toyoda, Kenji Dosaka, Takahiro Gunji | 1999-03-16 |
| 5871852 | Slide surface construction | Yusuke Toyoda, Kenji Dosaka | 1999-02-16 |
| 5632879 | Process for forming inorganic skin film | Yoshikazu Fujisawa, Kenji Dosaka, Takahiro Gunji | 1997-05-27 |
| 5597657 | Slide surface construction | Takahiro Gunji, Yoshikazu Fujisawa, Kazuhisa Okamoto | 1997-01-28 |
| 5547771 | High-hardness metal skin film | Takahiro Gunji, Kenji Dosaka, Kenji Hirose | 1996-08-20 |
| 5503942 | Inorganic skin film | Yoshikazu Fujisawa, Kenji Dosaka, Takahiro Gunji | 1996-04-02 |
| 5445684 | Slide surface construction having orientation specific B.C.C. metal layer | Takahiro Gunji, Yoshikazu Fujisawa, Kazuhisa Okamoto, Kenji Hirose | 1995-08-29 |
| 5427633 | Slide surface construction | Yoshikazu Fujisawa, Takahiro Gunji, Kazuhisa Okamoto | 1995-06-27 |
| 5401585 | Slide surface construction | Yoshikazu Fujisawa, Takahiro Gunji, Kazuhisa Okamoto | 1995-03-28 |
| 5376194 | Slide surface construction having oriented F.C.C. metal layer | Takahiro Gunji, Yoshikazu Fujisawa, Kazuhisa Okamoto | 1994-12-27 |