Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9487370 | Sheet material conveying device, image scanning device, and image forming apparatus | Hiroaki Utagawa, Takashi Nakano, Takashi Fukumoto, Kenji Hayasaka, Joji Akiyama +1 more | 2016-11-08 |
| 8211472 | Suspension of ascorbic acid in glycerin and process for production thereof | Mikiharu Okumura | 2012-07-03 |
| 5197172 | Machining system | Masayoshi Takagi, Takehito Aikawa, Ryoichi Takami, Hiroki Osada | 1993-03-30 |
| 4831349 | Switching device | Hisashi Hirose, Shigeo Hara, Kazuo Iwata | 1989-05-16 |
| 4554811 | Crankpin rolling apparatus | Takehiko Hayashi, Hiroyuki Ikuta | 1985-11-26 |