Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7292559 | Advertising system and advertising signs | Masashi Shimizu | 2007-11-06 |
| 7075912 | Wireless communication system using access points that can be freely set up by users | Hirohito Suda, Masayoshi Nakayama, Katsutoshi Nidaira, Masahiro Umehira, Eisuke Kudo +1 more | 2006-07-11 |
| 5199802 | Nonseparable thrust ball bearing | Tsutomu Shinohara, Susumu TAKEI | 1993-04-06 |