Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317249 | Optical modulator outputting an optical signal with a drive voltage signal dependent upon an input signal | Hiroshi Nakamoto, Takao Naito, Kazunori Hayami | 2001-11-13 |
| 4915349 | Gas governor apparatus and gas piping system | Tomoaki Inoue, Yoshiaki Chiba, Kazuhiko Kawaike, Seishi Watahiki | 1990-04-10 |
| 4706031 | Method and system for detecting an object with a radio wave | Yoshihiro Michiguchi, Fuminobu Takahashi, Kazuo Hiramoto, Masatsugu Nishi | 1987-11-10 |
| 4644791 | Moving apparatus for a hollow curved pipe-arrangement and an operating method in the pipe-arrangement by using the moving apparatus | Norihiko Ozaki, Seishi Watahiki, Yasuzi Sakuma, Masayoshi Yamaguchi | 1987-02-24 |
| 4621532 | Chain-like self-moving robot and control system therefor | Atsushi Takagi, Shigeru Izumi, Fuminobu Takahashi, Chikara Sato, Shinji Naitoh | 1986-11-11 |