Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609418 | Apparatus for detecting tire air pressure for motor vehicle | Toshio Yamagiwa, Tomoyuki Harada, Osamu Bunya | 2003-08-26 |
| 6589009 | Turbo-molecular pump | Atsushi Shiokawa, Matsutaro Miyamoto, Hiroshi Sobukawa, Hiroaki Ogamino | 2003-07-08 |
| 6585480 | Turbo-molecular pump | Hiroshi Sobukawa | 2003-07-01 |
| 6468030 | Turbo-molecular pump | — | 2002-10-22 |
| 6409468 | Turbo-molecular pump | — | 2002-06-25 |
| 6382249 | Vacuum exhaust system | Hiroshi Sobukawa | 2002-05-07 |
| 6343910 | Turbo-molecular pump | Hiroshi Sobukawa | 2002-02-05 |
| 6332752 | Turbo-molecular pump | Tetsuma Ikegami, Matsutaro Miyamoto | 2001-12-25 |
| 6331828 | Signal conversion method and signal converters | — | 2001-12-18 |
| 6232894 | Reproducible data conversion and/or compression method of digital signals and a data converter and a digital computer | — | 2001-05-15 |
| 5881827 | Extendable bit | Nobuhisa Ikeda, Taro Watanabe | 1999-03-16 |
| 5822233 | Digital arithmetic calculator and digital computer using non-redundant (2N+1) notation system with a radix of (2N+1) | — | 1998-10-13 |
| 5764265 | Ink jet printing apparatus and a printing head for such an ink jet printing apparatus | Takahisa Minegishi, Naoshi Takahashi | 1998-06-09 |
| 5296679 | Method and apparatus for fusion splicing optical fibers | Isao Suzuki, Michio Morooka, Mikio Yoshinuma | 1994-03-22 |
| 5170166 | Range switching device for analog to digital conversion | Masao Tanaka, Shinichi Tomita, Yoshiharu Unami | 1992-12-08 |
| 4790391 | Air pressure impact drilling method and apparatus for same | Hiroyuki Hamamura, Taro Watanabe | 1988-12-13 |
| 4721702 | Pressure-sensitive recording material | Ken Iwakura, Shojiro Sano | 1988-01-26 |
| 4718504 | Trench excavator | Tutomu Terashima, Tadao Takahashi | 1988-01-12 |
| 4514357 | Production of molded articles having excellent optical characteristics | Yoshikazu Kawaguchi, Seiichro Maruyama | 1985-04-30 |
| 4339555 | Process for the production of a polyamide base resin composition | Yasuhiro Ohmura, Seiichiro Maruyama | 1982-07-13 |