Issued Patents All Time
Showing 76–100 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152689 | Self-priming type cetrifugal pump | Shingo Yokota | 2000-11-28 |
| 6135142 | Control valve device | Shingo Yokota | 2000-10-24 |
| 6102072 | Water-hammerless check valve | Shingo Yokota | 2000-08-15 |
| 6095756 | High-CR precision casting materials and turbine blades | Akitsugu Fujita, Masatomo Kamada, Mitsuyoshi Tsuchiya, Yoshinori Tanaka | 2000-08-01 |
| 6033558 | Self-gush-cleaning filter device | — | 2000-03-07 |
| 5957428 | Composite-action butterfly valve | — | 1999-09-28 |
| 5953308 | Disc player with alternating ascending/descending guide devices | Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara, Yoshifumi Tsukuda +1 more | 1999-09-14 |
| 5848049 | Disc player with parallel objective lenses | Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1998-12-08 |
| 5846490 | Automated test strip supplying system | Keiji Takahashi | 1998-12-08 |
| 5820742 | Electrodeposition coating method and electrodeposition coating agent | Shin-ichi Oda, Toshihide Okamoto, Kenjiro Hayashi, Kazufumi Hamabuchi, Toshio Mizuno | 1998-10-13 |
| 5779445 | Noncontaminative centrifugal pump | Tetsuya Tanimoto, Masahiro Kawamoto | 1998-07-14 |
| 5772394 | Self-priming centrifugal pump | Shingo Yokota | 1998-06-30 |
| 5769116 | Composite action type water-hammer-preventive check valve | Shingo Yokota | 1998-06-23 |
| 5746246 | Water hammer preventing check valve | Shingo Yokota | 1998-05-05 |
| 5735308 | Automatic constant-pressure regulating lift device | Shingo Yokota | 1998-04-07 |
| 5713556 | Composite-action butterfly valve | — | 1998-02-03 |
| 5695540 | Method of spacing fibers of optical fiber tapes and coupling the fibers | Hiroshi Suganuma, Tomoyuki Hattori, Hiroaki Takimoto, Eisuke Sasaoka, Kenichi Matsushita | 1997-12-09 |
| 5677904 | Disc player | Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1997-10-14 |
| 5671201 | Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc | Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1997-09-23 |
| 5646921 | Method and apparatus for reproducing information recorded on CLV disc type record medium | Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1997-07-08 |
| 5642752 | Controllable constant flow regulating lift valve | Shingo Yokota, Kunio Ogura | 1997-07-01 |
| 5619484 | Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc | Ryuichi Naito, Hiroyuki Hirano, Katsumi Ishii, Shinichi Naohara, Yoshifumi Tsukada +1 more | 1997-04-08 |
| 5610841 | Video server | Tsutomu Tanaka, Shinzo Doi, Chishio Ueno, Yukiko Ito | 1997-03-11 |
| 5601490 | Track racing game machine | Toshiaki Nakagawa, Kouichi Ozaki, Kiyoshi Furukawa | 1997-02-11 |
| 5560470 | Means for discriminating sides of test strips in automated analyzer | Keiji Takahashi | 1996-10-01 |