Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7607414 | Member for internal combustion engine and production method thereof | Seiji Kamada, Hiroshi Kumagai, Midori Kondou, Kenji Kikuchi, Takumaru Sagawa +1 more | 2009-10-27 |
| 6893720 | Object coated with carbon film and method of manufacturing the same | Akira Doi, Yoshihiro Izumi, Hajime Kuwahara | 2005-05-17 |
| 6838174 | Object being in contact with human skin when used | — | 2005-01-04 |
| 6656592 | Carbon film and method of forming the same | Koji Miyake, Yasuo Murakami, Jo Takeuchi, Kiyoshi Ogata | 2003-12-02 |
| 6652969 | Carbon film method for formation thereof and article covered with carbon film and method for preparation thereof | Yasuo Murakami, Jo Takeuchi | 2003-11-25 |
| 6564744 | Plasma CVD method and apparatus | Akira Doi, Yoshihiro Izumi, Hajime Kuwahara | 2003-05-20 |
| 6503579 | Plasma CVD method, plasma CVD apparatus, and electrode | Yasuo Murakami | 2003-01-07 |
| 6465057 | Plasma CVD method and apparatus | Akira Doi, Yoshihiro Izumi, Hajime Kuwahara | 2002-10-15 |
| 6165376 | Work surface treatment method and work surface treatment apparatus | Koji Miyake, Hajime Kuwahara | 2000-12-26 |
| 6136386 | Method of coating polymer or glass objects with carbon films | Akira Doi, Yoshihiro Izumi, Hajime Kuwahara | 2000-10-24 |
| 6023025 | Electric wire and manufacturing method thereof | Akira Doi | 2000-02-08 |
| 5935391 | Method of manufacturing a tube having a film on its inner peripheral surface and apparatus for manufacturing the same | Hajime Kuwahara, Hiroshi Fujiyama | 1999-08-10 |
| 5651825 | Plasma generating apparatus and plasma processing apparatus | Hajime Kuwahara | 1997-07-29 |
| 5562952 | Plasma-CVD method and apparatus | Hiroshi Murakami, Satoshi Otani, Takao Tabata, Hiroshi Maeda, Hiroya Kirimura +1 more | 1996-10-08 |
| 5556474 | Plasma processing apparatus | Satoshi Otani, Hiroya Kirimura, Hajime Kuwahara, Takao Tabata, Hiroshi Murakami | 1996-09-17 |
| 4866746 | Coated material and X-ray exposure mask | Yasunori Ando, Eiji Kamijo | 1989-09-12 |