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Yoshihiko Yanagawa

CC Citizen Watch Co.: 5 patents #213 of 1,225Top 20%
Overall (All Time): #1,051,520 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5984448 Circuit for driving ink-jet head and method of driving the same 1999-11-16
5499042 Ink jet head having dummy pressure chambers and inclined groups of ejection nozzles 1996-03-12
5359354 Ink jet head with dummy slots Hisato Hiraishi, Fumio Maeno, Motonobu Hoshino, Keisuke Kigawa 1994-10-25
5289209 Printing head for ink-jet printer Naomichi Suzuki, Toyoji Asahina, Shizuo Yamaguchi, Hiroshi Ogawa, Hisato Hiraishi +1 more 1994-02-22
4581567 Device for feeding magnetic head Atutaka Morimoto 1986-04-08