Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11185913 | Fastening tool | Toshihito YABUNAKA, Takao Kuroyanagi | 2021-11-30 |
| 11161168 | Fastening tool | Toshihito YABUNAKA, Takao Kuroyanagi | 2021-11-02 |
| 11117185 | Fastening tool | Michisada Yabuguchi, Yuki Kawai | 2021-09-14 |
| 11065674 | Fastening tool | Yuki Kawai, Michisada Yabuguchi, Toshihito YABUNAKA | 2021-07-20 |
| 11045861 | Fastening tool | Yuki Kawai, Michisada Yabuguchi, Toshihito YABUNAKA | 2021-06-29 |
| 10994325 | Fastening tool | Toshihito YABUNAKA, Takao Kuroyanagi | 2021-05-04 |
| 10978843 | Electric conduction apparatus | Yuya Okazaki, Shinji Hirose | 2021-04-13 |
| 10881909 | Training instrument and input device | Ryoji Kuroda, Shinji Yamamoto, Takanori Okamura, Xiaoming Jin, Hitoshi Tsuchiya +2 more | 2021-01-05 |