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For the Inventor, By the Inventor

Musashimurayama, Japan

Yoshihiko Yanagawa

USPTO Granted Patents = 6

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 92(Granted Patents)


Location History:

  • Musashimurayama, JA (1976)
  • Saitama, JP (1986 - 1994)
  • Tokyo, JP (1996)
  • Musashimurayama, JP (1994 - 1999)

Company Filing History:

goldMedal6 out of 2,002 
 
Citizen Watch Company, Ltd.
 patents

Years Active: 1976-1999

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6 patents (USPTO):Explore Patents
1. 5984448 - Circuit for driving ink-jet head and method of driving the same (1999-11-16),
2. 5499042 - Ink jet head having dummy pressure chambers and inclined groups of (1996-03-12),
3. 5359354 - Ink jet head with dummy slots (1994-10-25),
4. 5289209 - Printing head for ink-jet printer (1994-02-22),
5. 4581567 - Device for feeding magnetic head (1986-04-08),
6. 3946591 - Method of and system for detecting the rate of an electronic timepiece (1976-03-30),
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