Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12103364 | Air discharge device | Jun YAMAOKA, Masaharu Sakai, Yuuji Okamura, Shogo Hayakawa, Satoshi Takotani +5 more | 2024-10-01 |
| 12005761 | Air discharge device | Jun YAMAOKA, Masaharu Sakai, Yuuji Okamura, Yasuhiko Niimi, Takahito Nakamura +4 more | 2024-06-11 |
| 11718157 | Air discharge device | Jun YAMAOKA, Masaharu Sakai, Yasuhiko Niimi, Takahito Nakamura, Yusuke KOMATSUBARA +5 more | 2023-08-08 |
| D327618 | Portable electric drill | Yasunori Ogawa | 1992-07-07 |