Ryoke; Katsumi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ryoke; Katsumi.The latest application filed is for "manufacturing method of tape-form recording medium".
- Ryoke; Katsumi - Kanagawa JP
- Ryoke, Katsumi - Odawara-shi JP
- Ryoke; Katsumi - Odawara JP
- Ryoke; Katsumi - Kanagawa-ken JP
- Ryoke; Katsumi - Minami-ashigara JP
| Patent | Date |
|---|---|
| Manufacturing method of tape-form recording medium App 20060289335 - Kakuishi; Yutaka ; et al. | 2006-12-28 |
| Polishing member and method for polishing end faces of optical fibers App 20030171078 - Ryoke, Katsumi ; et al. | 2003-09-11 |
| Polishing member and process for producing the same Grant 6,443,827 - Ryoke , et al. September 3, 2 | 2002-09-03 |
| Abrasive tape for magnetic information reading apparatus for photographic use, abrasive tape package, and a method for cleaning the apparatus Grant 5,702,800 - Mihayashi , et al. December 30, 1 | 1997-12-30 |
| Cleaning method using abrasive tape Grant 5,695,386 - Ryoke , et al. December 9, 1 | 1997-12-09 |
| Abrasive tape Grant 5,632,789 - Ryoke , et al. May 27, 1 | 1997-05-27 |
| Abrasive tape having an interlayer for magnetic head cleaning and polishing Grant 5,633,068 - Ryoke , et al. May 27, 1 | 1997-05-27 |
| Abrasive tape Grant 5,611,826 - Ryoke , et al. March 18, 1 | 1997-03-18 |
| Polishing method Grant 5,573,444 - Ryoke , et al. November 12, 1 | 1996-11-12 |
| Magnetic recording medium having a magnetic layer with a specified surface roughness and which contains ferromagnetic powder, binder, and an abrasive Grant 5,512,350 - Ryoke , et al. April 30, 1 | 1996-04-30 |
| Abrasive member Grant 5,456,734 - Ryoke , et al. October 10, 1 | 1995-10-10 |
| Magnetic recording medium having a magnetic layer containing two carbon blacks each within specific particle size and DBP adsorption ranges Grant 5,407,725 - Ryoke , et al. April 18, 1 | 1995-04-18 |
| Magnetic recording medium kubbed with a super hard alloy blade containing tungsten carbide power and cobalt Grant 5,238,753 - Ryoke , et al. August 24, 1 | 1993-08-24 |
| Magnetic recording medium Grant 4,880,693 - Ryoke , et al. * November 14, 1 | 1989-11-14 |
| Magnetic recording medium Grant 4,803,121 - Ryoke , et al. February 7, 1 | 1989-02-07 |
| Magnetic recording media Grant 4,554,220 - Yamamoto , et al. November 19, 1 | 1985-11-19 |
| Magnetic recording medium Grant 4,552,799 - Ryoke , et al. November 12, 1 | 1985-11-12 |
| Magnetic recording medium Grant 4,552,798 - Ryoke , et al. November 12, 1 | 1985-11-12 |
| Magnetic recording medium Grant 4,546,038 - Yamaguchi , et al. October 8, 1 | 1985-10-08 |
| Magnetic recording medium having improved running properties Grant 4,539,257 - Ryoke , et al. September 3, 1 | 1985-09-03 |
| Magnetic recording medium Grant 4,497,864 - Ryoke , et al. February 5, 1 | 1985-02-05 |
| Silver halide photographic light-sensitive material Grant 4,304,852 - Sugimoto , et al. December 8, 1 | 1981-12-08 |
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