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Patent applications and USPTO patent grants for Yanagawa; Yoshihiko.The latest application filed is for "circuit for driving ink-jet head and method of driving the same".
Patent | Date |
---|---|
Circuit for driving ink-jet head and method of driving the same Grant 5,984,448 - Yanagawa November 16, 1 | 1999-11-16 |
Ink jet head having dummy pressure chambers and inclined groups of ejection nozzles Grant 5,499,042 - Yanagawa March 12, 1 | 1996-03-12 |
Ink jet head with dummy slots Grant 5,359,354 - Hiraishi , et al. October 25, 1 | 1994-10-25 |
Device for feeding magnetic head Grant 4,581,567 - Yanagawa , et al. April 8, 1 | 1986-04-08 |
Method of and system for detecting the rate of an electronic timepiece Grant 3,946,591 - Yanagawa , et al. March 30, 1 | 1976-03-30 |
Quick Correction Mechanism For A Seconds Hand Of A Timepiece Grant 3,810,354 - Naikaido , et al. May 14, 1 | 1974-05-14 |
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