Inventor · disambiguated record
Yoshihiko Yanagawa
Also filed as: YANAGAWA YOSHIHIKO
6 granted patents·146 citations·filing 1974–1996
85Inventor score
Files withCITIZEN WATCH CO LTD6
Top patents by PatentIndex Score
6 records- 0174US5289209APrinting head for ink-jet printerCITIZEN WATCH CO LTD·Filed 1991·Granted Feb 22, 1994·37 cites·55 claims
- 0272US5984448ACircuit for driving ink-jet head and method of driving the sameCITIZEN WATCH CO LTD·Filed 1996·Granted Nov 16, 1999·33 cites·16 claims
- 0372US5499042AInk jet head having dummy pressure chambers and inclined groups of ejection nozzlesCITIZEN WATCH CO LTD·Filed 1994·Granted Mar 12, 1996·33 cites·6 claims
- 0465US4581567ADevice for feeding magnetic headCITIZEN WATCH CO LTD·Filed 1983·Granted Apr 8, 1986·16 cites·6 claims
- 0559US5359354AInk jet head with dummy slotsCITIZEN WATCH CO LTD·Filed 1991·Granted Oct 25, 1994·19 cites·20 claims
- 0650US3946591AMethod of and system for detecting the rate of an electronic timepieceCITIZEN WATCH CO LTD·Filed 1974·Granted Mar 30, 1976·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →