Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8194942 | Authentication device and authentication method | Takeo Tobe, Kenzo Mizuno, Tetsuji Tsuji, Isao Watanabe, Tadahito Watakai | 2012-06-05 |
| D427763 | Lighted walking stick | Noburu Harada | 2000-07-11 |
| 5311324 | Apparatus with frame check capability for reproducing images by combining outputs of concurrently operating disk players storing portions of the images | Tetsuya Temma, Yasuharu Nakajima, Hiroyasu Matsuura, Takeo Tobe, Jun Kono +2 more | 1994-05-10 |
| 5302187 | Concentration process of gaseous chlorine | Hiroyuki Itoh, Yoshitsugu Kono, Shinji Takenaka, Yukihiro Yoshikawa, Teruo Hirayama | 1994-04-12 |
| 5260801 | Method of recording and reproducing video format signal using division video signals on a plurality of recording media | Tetsuya Temma, Yasuharu Nakajima, Hiroyasu Matsuura, Takeo Tobe, Jun Kono +2 more | 1993-11-09 |
| 5254323 | Industrial process for the separation and recovery of chlorine | Hiroyuki Itoh, Yoshitsugu Kono, Shinji Takenaka, Masanobu Ajioka, Mitsuo Kudoh | 1993-10-19 |
| 5112593 | Production process of chlorine | Hiroyuki Itoh, Yoshitsugu Kono, Shinji Takenaka, Masanobu Ajioka | 1992-05-12 |
| 5000006 | Industrial process for the separation and recovery of chlorine | Hiroyuki Itoh, Yoshitsugu Kono, Shinji Takenaka, Masanobu Ajioka, Mitsuo Kudoh | 1991-03-19 |
| 4778687 | Method of processing fishes | — | 1988-10-18 |