Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7712684 | Fuel injection valve | Ryo Masuda, Kiyomi Kawamura | 2010-05-11 |
| 6307542 | Magnet-based information input apparatus | Masane Nishikawa, Akihisa Kameari, Kazumi Koganezawa | 2001-10-23 |
| 5990449 | Electric heating device for mirror | Tetsuya Sugiyama, Yoshiya Ueda, Hiroshi Tazunoki | 1999-11-23 |
| 5665506 | Toner for the development of electrostatic image and process for the preparation thereof | Koichi Kashima, Hajime Yamazaki, Shinji Otani, Kiyokazu Takasou, Hiroshi Hamada | 1997-09-09 |
| 5440080 | Information input device | Tetsuya Sugiyama | 1995-08-08 |
| 4612433 | Thermal head and manufacturing method thereof | Tetsuya Sugiyama | 1986-09-16 |