Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7699455 | Inkjet recording apparatus | Tadayuki Matsuda, Mamoru Okano | 2010-04-20 |
| 7475974 | Inkjet recording apparatus | Tadayuki Matsuda, Mamoru Okano | 2009-01-13 |
| 6159064 | Swimming fin | Minoru Takeuchi, Haruo Kawashima, Shoji Fujiwara | 2000-12-12 |
| 5226969 | Method for cleaning solid surface with a mixture of pure water and calcium carbonate particles | Masahiro Watanabe, Mitsuyoshi Otake, Megumi Hamano | 1993-07-13 |