Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7135140 | Method of producing silicon nitride honeycomb filter | Nobuhiro Shinohara, Toshinari Watanabe, Naomichi Miyakawa | 2006-11-14 |
| 6933071 | Solid polymer type fuel cell and production method thereof | Masaru Yoshitake, Yasuhiro Kunisa, Eiji Endoh | 2005-08-23 |
| 6761990 | Solid polymer electrolyte fuel cell | Masaru Yoshitake, Eiji Endoh, Yasuhiro Kunisa | 2004-07-13 |
| 5628807 | Method for forming a glass product for a cathode ray tube | Masaru Yoshitake, Naoki Yoshida, Masuo Sugisaki, Atsuyoshi Takenaka, Yutaka Segawa +2 more | 1997-05-13 |