Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7999200 | Safety switch | Etsurou Komori, Takao Fukui, Takeo Yasui | 2011-08-16 |
| 7985932 | Door lock device with safety switch | Takeo Yasui, Norifumi Obata, Takafumi Hidaka | 2011-07-26 |
| 7956300 | Safety holder | Takafumi Hidaka, Norifumi Obata, Takeo Yasui, Masahiro Ishizaki | 2011-06-07 |