Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073693 | Optical device, head mounted display, assembling method for the same, holographic diffraction grating, display device, and alignment device | Katsuyuki Akutsu, Hideo Nagasaka, Yusuke Kajio, Daisuke Tsukuda, Kazutatsu Tokuyama | 2021-07-27 |
| 10730571 | Crawler | Shingo Sugihara, Kenji Tateishi | 2020-08-04 |
| 10633043 | Elastic crawler and elastic crawler drive mechanism | — | 2020-04-28 |
| 10618578 | Crawler | Shingo Sugihara, Kenji Tateishi | 2020-04-14 |
| 10392061 | Sprocket and elastic crawler drive mechanism | — | 2019-08-27 |
| 10377433 | Elastic crawler and elastic crawler drive mechanism | — | 2019-08-13 |
| 10308297 | Elastic crawler drive mechanism | — | 2019-06-04 |
| 10053169 | Crawler | — | 2018-08-21 |
| D821452 | Rubber crawler | Shoko Nagamoto | 2018-06-26 |
| D821453 | Rubber crawler | Shoko Nagamoto | 2018-06-26 |
| 9919752 | Elastic crawler | — | 2018-03-20 |
| 9434429 | Rubber crawler | — | 2016-09-06 |
| 9359026 | Rubber crawler | — | 2016-06-07 |
| 9290218 | Crawler core for member and rubber crawler | — | 2016-03-22 |
| D613775 | Rubber crawler block | — | 2010-04-13 |
| D613774 | Rubber crawler block | — | 2010-04-13 |
| 6741391 | Three-dimensional object observing microscope | Eiji Ishihara, Shinsuke Hiraoka, Yuji Ikegami, Tozaburo Nishimura | 2004-05-25 |
| 5806483 | Combustion method for internal combustion engine | Yukuaki Mitarai, Shigeo Hagino | 1998-09-15 |
| 5445456 | Bearing assembly | Mitsuharu Isoda | 1995-08-29 |