Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D831458 | Portable electric power sander | Shinichi Kakefuda, Hisashi Irokawa | 2018-10-23 |
| 9967920 | Electric device outputting light, wind, heat or sound | Masato Sakai, Yoshinori Ishizawa, Masanori Okada, Hiroyuki Hasegawa, Takashi Kawamata | 2018-05-08 |