Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9285346 | Pipe processing device and pipe processing method | Jun Fujita, Yoshikatsu Takeda | 2016-03-15 |
| 5218258 | Ultrasonic motor and laser beam welding apparatus using the same | Isao Shirasu, Takashi Akaba, Tadashi Nagashima, Yoshimasa Tsukamoto, Toshiiku Sashida | 1993-06-08 |
| 5193405 | Underwater mobile type inspection system | Takeo Oomichi, Yukio Hukagawa, Kazuto Sawaragi, Kyoichi Aizawa, Kiyoshi Tachibana +3 more | 1993-03-16 |
| 4981353 | Position locating apparatus for an underwater moving body | Shinichi Murakawa, Masahiro Fujiwara, Kiyoshi Tachibana, Tomio Aoyama | 1991-01-01 |