Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7284970 | Fluid apparatus having a pump and an accumulator | — | 2007-10-23 |
| RE39584 | Pipe joint made of resin | — | 2007-04-24 |
| 7067981 | Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire | Toshiya Tanaka, Takayuki Fujita, Takeo Yasuda | 2006-06-27 |
| 7042158 | Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire | Toshiya Tanaka, Takayuki Fujita, Takeo Yasuda | 2006-05-09 |
| 6991266 | Pipe joint made of resin | — | 2006-01-31 |
| 6956327 | Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire | Toshiya Tanaka, Takayuki Fujita, Takeo Yasuda | 2005-10-18 |
| 6945761 | Fluid apparatus having downwardly inclined lower lamella portion of a bellows | Makoto Fujii, Masayoshi Katsura, Hitoshi Kawamura | 2005-09-20 |
| 6896299 | Resin pipe joint | — | 2005-05-24 |
| 6781315 | Compact fluorescent lamp, self-ballasted fluorescent lamp and luminaire | Toshiya Tanaka, Takayuki Fujita, Takeo Yasuda | 2004-08-24 |
| 6776440 | Method and structure for preventing slipping-off of a tube in a pipe joint made of resin | — | 2004-08-17 |
| 6685449 | Fluid apparatus including gravity induced check valves and downwardly inclined lower lamella portion of a bellows | — | 2004-02-03 |
| 6612818 | Bellows type pump or accumulator | — | 2003-09-02 |
| 6604919 | Fluid apparatus such as a pump or an accumulator | Hitoshi Kawamura | 2003-08-12 |
| 6572347 | Fluid apparatus such as a pump or an accumulator | — | 2003-06-03 |
| 6547541 | Bellows type pump or accumulator | — | 2003-04-15 |
| 6517123 | Pipe joint made of resin | — | 2003-02-11 |
| 6513839 | Pipe joint made of resin | — | 2003-02-04 |
| D464409 | Sleeve for tube fitting | — | 2002-10-15 |
| 6437502 | Selfballasted fluorescent lamp having specified tube geometry, luminous flux, lamp efficiency and power requirements | Toshiya Tanaka, Takayuki Fujita, Takeo Yasuda | 2002-08-20 |
| D461545 | Sleeve for tube fitting | — | 2002-08-13 |
| 6364640 | Pump with a pulsation suppression device | Ryo Imanishi, Yoji Minato, Masayoshi Katsura, Hitoshi Kawamura, Makoto Fujii | 2002-04-02 |
| 6334632 | Synthetic resin-made fastening-limiting device for a joint fastening member | Makoto Fujii, Yutaka Okamoto, Takuya Ishida | 2002-01-01 |
| 6322338 | Pulsation damping device for a pump | — | 2001-11-27 |
| 6269871 | Heat exchanger and a method of producing the same | Makoto Fujii, Yutaka Okamoto, Takuya Ishida | 2001-08-07 |
| 6142535 | Synthetic resin-made fastening-limiting device for a joint fastening member | Makoto Fujii, Yutaka Okamoto, Takuya Ishida | 2000-11-07 |