Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339699 | Phone holder | Hiroki Hirai, Masashi Sugimoto, Tetsuji Tanaka, Yasuhiro Hiura, Shigeki Sakai +1 more | 2002-01-15 |
| 6215870 | Phone holder | Hiroki Hirai, Masashi Sugimoto, Tetsuji Tanaka, Shigeki Sakai, Yoshito Sakai +1 more | 2001-04-10 |
| 6097810 | Phone holder | Hiroki Hirai, Masashi Sugimoto, Tetsuji Tanaka, Yasuhiro Hiura, Shigeki Sakai +2 more | 2000-08-01 |
| 6084963 | Phone holder for selectively holding a mobile phone | Hiroki Hirai, Nobuaki Kojima, Masashi Sugimoto, Shigeki Sakai, Yoshito Sakai +1 more | 2000-07-04 |
| 5940502 | Phone holder | Hiroki Hirai, Masashi Sugimoto, Shigeki Sakai, Yoshito Sakai, Nori Inoue +1 more | 1999-08-17 |