Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1043391 | Flowmeter | Makoto Arai, Naruhisa Tsukase | 2024-09-24 |
| 10794520 | Fluid supply apparatus | Masahiro Takezawa | 2020-10-06 |
| D866282 | Nozzle hook | Takeshi Ozeki, Norikazu Osawa, Masahiro Takezawa, Makoto Arai | 2019-11-12 |