Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7602129 | Rotary-motor-loaded device and control characteristic measurement method and program | Katsumi Shirai | 2009-10-13 |
| 6943970 | Position demodulating method and circuit of disk apparatus | Kazuhiko Takaishi, Takeyori Hara | 2005-09-13 |
| 6870464 | Inventory control system | — | 2005-03-22 |
| 6834800 | Merchandise inventory management system | — | 2004-12-28 |
| 6778880 | Distribution system | — | 2004-08-17 |
| 6705281 | Piston for an internal combustion engine | Seiichi Sue, Hidehiko Koyashiki, Kazumitsu Kobayashi | 2004-03-16 |
| 6621416 | Electronic tag device | — | 2003-09-16 |
| 6611732 | Distribution system | — | 2003-08-26 |
| 6606029 | Electronic tag device | — | 2003-08-12 |
| 6554186 | Product inspection device | — | 2003-04-29 |
| 6137646 | Disk apparatus using coincidence detection to generate variable sector pulses | Tatsuya Gofuku, Chihiro Ono, Kazuhide Ohba, Atsushi Satoh, Eisaku Takahashi +2 more | 2000-10-24 |
| 6014285 | Positioning control system | — | 2000-01-11 |
| 5798885 | Head positioning control for disk apparatus using peak detection, polarity detection and sector mark detection | Masaru Saiki, Tsutomu Sasaki, Hirokazu Ishizaki, Tatsuya Gofuku, Norihiko Suzuki +10 more | 1998-08-25 |
| 5731973 | Developing system and measuring system for filing apparatus | Kazuhiko Takaishi, Susumu Hasegawa | 1998-03-24 |
| 5469414 | Positioning control system | — | 1995-11-21 |
| 5307330 | Settling monitor system for a following servo | — | 1994-04-26 |
| 5042364 | Piston structure for internal combustion engine | Hiroyuki Watanabe, Hirofumi Kato, Hisakazu Muta | 1991-08-27 |
| 4736900 | Motor control apparatus for reel-to-reel tape drive system | — | 1988-04-12 |
| 4626838 | Filled shaped generating apparatus | Shigeo Tsujioka, Seiichi Kanema, Kiyoshi Umezawa, Mitsuo Ooyama, Toshihisa Aoshima +1 more | 1986-12-02 |
| 4580236 | Graphic display apparatus with a vector generating circuit | Shigeo Tsujioka, Mitsuo Ooyama, Kimiaki Ando, Seiichi Kanema, Mitsugu Yoneyama +2 more | 1986-04-01 |
| 4323832 | System for controlling the speed of a magnetic tape transport motor | — | 1982-04-06 |