Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7434394 | Hydraulic drive device | Kouji Ishikawa, Yusuke Kajita, Genroku Sugiyama, Hideo Karasawa | 2008-10-14 |
| 7370475 | Traveling hydraulic working machine | Tsuyoshi Nakamura, Toichi Hirata, Genroku Sugiyama, Kentaro Itoga | 2008-05-13 |
| 7255088 | Engine control system for construction machine | Yasushi Arai, Yoichi Kowatari, Kouji Ishikawa, Hideo Karasawa | 2007-08-14 |
| 7127888 | Hydraulic drive unit | Yusuke Kajita, Toichi Hirata | 2006-10-31 |
| 7091589 | Multilayer wiring board and manufacture method thereof | Toshiaki Mori, Satoru Kuramochi, Miyuki Akazawa, Koichi Nakayama | 2006-08-15 |
| 7020553 | Signal processing system for construction machine | Toichi Hirata, Yasushi Arai, Yoichi Kowatari, Gen Yasuda, Hiroshi Watanabe | 2006-03-28 |
| 6823672 | Control device for construction machine | — | 2004-11-30 |
| 6404917 | Image compressor | Tsuyoshi Kondo | 2002-06-11 |
| 6339476 | Image generating apparatus | Tadayuki Kajiwara, Yoshitsugu Hayashi | 2002-01-15 |
| 6278857 | Color image forming apparatus with phase correction controller | Yosuke Monji, Tadayuki Kajiwara, Takami Maeda | 2001-08-21 |
| 6256868 | Assembly process apparatus | Katsuhiko Sugito, Masakazu Watanabe | 2001-07-10 |
| 6183210 | Torque control device for hydraulic pump in hydraulic construction equipment | — | 2001-02-06 |
| 6021756 | Engine control system for construction machine | — | 2000-02-08 |
| 6020651 | Engine control system for construction machine | Ei Takahashi, Toichi Hirata | 2000-02-01 |
| 5940997 | Hydraulic circuit system for hydraulic working machine | Tsukasa Toyooka, Toichi Hirata, Genroku Sugiyama, Kouji Ishikawa, Tsuyoshi Nakamura | 1999-08-24 |
| 5930996 | Auto-acceleration system for prime mover of hydraulic construction machine and control system for prime mover and hydraulic pump | Ei Takahashi, Tsukasa Toyooka, Kouji Ishikawa, Tsuyoshi Nakamura, Yoichi Kowatari +3 more | 1999-08-03 |
| 5911506 | Control system for prime mover and hydraulic pump of hydraulic construction machine | Ei Takahashi, Tsukasa Toyooka, Kouji Ishikawa, Tsuyoshi Nakamura, Yoichi Kowatari +3 more | 1999-06-15 |
| 5878721 | Engine control system for construction machine | — | 1999-03-09 |
| 5828145 | Bicycle generator-containing hub and a lighting apparatus using the hub | — | 1998-10-27 |
| 5822361 | Wireless LAN system and base station apparatus | Hidehiko Jusa, Atsushi Anzai | 1998-10-13 |
| 5589975 | Optical amplification system | I. Kou Tei | 1996-12-31 |
| 5457998 | Method of detecting an optical transmission line | Akira Fujisaki | 1995-10-17 |
| 5329348 | Method of identifying a particular optical cable out of a number of similar optical cables | Hijiri Nimura, Akira Fujisaki, Haruki Ohgoshi | 1994-07-12 |
| 5267440 | Hydraulic control system for construction machine | Yusuke Kajita, Toichi Hirata, Genroku Sugiyama, Hiroshi Onoue, Hideaki Tanaka +3 more | 1993-12-07 |
| 5262365 | Quartz glass doped with rare earth element and production thereof | Akira Oyobe, Nobuyuki Kagi, Yasumasa Sasaki | 1993-11-16 |