Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11172610 | Transmission for lawn mower | Koichi Ogawa, Takanori Ishii | 2021-11-16 |
| 11175599 | Electrophotographic photoreceptor, manufacturing method of electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus | Haruki Mori | 2021-11-16 |
| D926228 | Cylinder block for engine | Koichi Hirakawa, Shinichirou Okamoto | 2021-07-27 |