Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7340128 | Wavelength selection device | Kohei Shibata, Nobuhiro Fukushima, Tamotsu Akashi, Toshiya Kishida, Tsuyoshi Yamamoto +4 more | 2008-03-04 |
| 7330616 | Micromirror element and optical switch | Tsuyoshi Yamamoto | 2008-02-12 |
| 7330617 | Wavelength selective optical switch, and optical device provided with spectroscopic function | Hirofumi Aota, Kohei Shibata, Tamotsu Akashi, Shinji Yamashita, Tsuyoshi Yamamoto +4 more | 2008-02-12 |
| 6771426 | Input-output optical system of spatially optical coupled type, and optical switch | Tsuyoshi Yamamoto, Tamotsu Akashi | 2004-08-03 |
| 6612215 | Cutting machine | — | 2003-09-02 |
| 5996269 | Fishing rod having a water dispersion surface to reduce drag on fishline | Nobuhiro TAKATA, Masaru Akiba | 1999-12-07 |
| 5786535 | Flaw detection apparatus employing tire probes having ultrasonic oscillators mounted therein | Ryo Ishiyama, Yutaka Kashiwase, Kinuko Kato, Ryohei Motegi | 1998-07-28 |
| 5602336 | Flow detection apparatus employing tire probes having ultrasonic oscilators mounted therein | Ryo Ishiyama, Yutaka Kashiwase, Kinuko Kato, Ryohei Motegi | 1997-02-11 |
| 5170667 | Method and apparatus for monitoring state of polymeric materials | Ryohei Motegi | 1992-12-15 |
| 4930358 | Method of and apparatus for measuring flow velocity by using ultrasonic waves | Ryohei Motegi, Toshio Sato | 1990-06-05 |
| 4846496 | Vehicle suspension apparatus | Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Masanaga Suzumura, Minoru Tatemoto +2 more | 1989-07-11 |
| 4730843 | Vehicle suspension apparatus | Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Masanaga Suzumura, Minoru Tatemoto +2 more | 1988-03-15 |
| 4625992 | Vehicle suspension apparatus | Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Yasutaka Taniguchi, Masanaga Suzumura +3 more | 1986-12-02 |
| 4625994 | Vehicle suspension apparatus | Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Masanaga Suzumura, Minoru Tatemoto +2 more | 1986-12-02 |
| 4624476 | Vehicle suspension apparatus | Tadao Tanaka, Sunao Chikamori, Mitsuhiko Harara, Masanaga Suzumura, Minoru Tatemoto +2 more | 1986-11-25 |