Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11576602 | Electrocardiogram analysis apparatus and electrocardiogram system | Tsuneo Takayanagi | 2023-02-14 |
| 7381286 | Laminate sheet material punching method and optical disk manufacturing method | — | 2008-06-03 |
| 7337819 | Alignment device for fabricating optical disk | — | 2008-03-04 |
| 7323124 | Optical disc cover layer formation method and optical disc cover layer formation device | — | 2008-01-29 |
| 6989069 | Method for producing an optical information recording medium | Takeshi Kakuta, Takako Ozawa, Toshio Ishida | 2006-01-24 |
| 6805761 | Magnetic disc cartridge, method of manufacturing the same and method of cleaning liners of the same | Shinichi Kato, Yoichi Hayashi | 2004-10-19 |
| 6519827 | Method and apparatus for assembling magnetic tape cartridge | Yoichi Hayashi | 2003-02-18 |
| 5973893 | Magnetic disk cartridge in which shell halves are accurately positioned and process for producing the same | — | 1999-10-26 |
| 5926935 | Method of and apparatus for incorporating torsion spring | Mitsuyoshi Okiyama | 1999-07-27 |
| 5850327 | Magnetic disc cartridge with protrusion opposing disc entirely outside recording area thereof | — | 1998-12-15 |
| 5829571 | Workpiece positioning apparatus | Ryuichi Ommori | 1998-11-03 |
| 5749455 | Method and apparatus for transferring workpieces | Masazumi Ogawa | 1998-05-12 |
| 5687048 | Magnetic disk cartridge and process for producing the same | — | 1997-11-11 |
| 5682286 | Magnetic disk cartridge provisionally assembled utilizing at least one rivet | — | 1997-10-28 |
| 5629823 | Magnetic disk cartridge | — | 1997-05-13 |
| 5501094 | Method for bending a metal thin plate | Toshikazu Yamamuro | 1996-03-26 |
| 5487802 | Ultrasonic welding method and apparatus for molded resin materials | Fumio Yamazaki | 1996-01-30 |
| 5453898 | Magnetic disk cartridge having center core shaped so as to prevent stacked cores from biting into one another | Nobuyuki Adachi | 1995-09-26 |
| 5417318 | Method and device for moving and positioning a center core | Takeaki Shibuya | 1995-05-23 |
| 5293680 | Method and apparatus for processing molded synthetic resin materials | Masazumi Ogawa | 1994-03-15 |
| 5184197 | Method for inspecting magnetic disk cartridge | Tomohiro Nakata | 1993-02-02 |
| 5148946 | Method and apparatus for delivering predetermined amounts of fluids | Takeaki Shibuya | 1992-09-22 |
| 5067607 | Intermittent feed system | Kazumi Kitamura | 1991-11-26 |
| 5012569 | Method of assembling magnetic disk cartridge | — | 1991-05-07 |
| 4854569 | Apparatus for taking out flexible work | — | 1989-08-08 |