Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084692 | Guide information display device, crane equipped with same, and guide information display method | Iwao Ishikawa, Satoshi Kubota, Shigenori Tanaka, Kenji Nakamura, Yuhei Yamamoto +1 more | 2021-08-10 |
| 10968954 | Grease, antifriction bearing, antifriction bearing device, and information recording/reproducing device | Akihiro Iino, Misato Hanaoka, Hisaya Nakamura, Koji Ishii | 2021-04-06 |