Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921816 | Control device for hydraulically driven fan | Kozo Okuda, Keiji Yanagihara | 2011-04-12 |
| 7751954 | Operating system of construction machinery | Mitsunori Matsuda | 2010-07-06 |
| 7571775 | Construction machine | Mitsunori Matsuda | 2009-08-11 |
| 7483814 | Construction machinery | Mitsunori Matsuda | 2009-01-27 |
| 7395870 | Construction machine with fuel use indication | Mitsunori Matsuda | 2008-07-08 |
| 5831772 | Compact zoom lens | Akihiro Nishio, Takeshi Koyama, Yoshinori Itoh, Makoto Misaka | 1998-11-03 |
| 5815320 | Zoom lens | Takeshi Koyama, Yoshinori Itoh, Makoto Misaka, Akihiro Nishio | 1998-09-29 |
| 5574599 | Zoom lens and zooming method | Yoshinori Itoh, Akihiro Nishio | 1996-11-12 |