Inventor · disambiguated record
Shizuo Yamaguchi
Also filed as: YAMAGUCHI SHIZUO
4 granted patents·1 pending application·105 citations·filing 1974–2005
79Inventor score
Top patents by PatentIndex Score
5 records- 0174US5289209APrinting head for ink-jet printerCITIZEN WATCH CO LTD·Filed 1991·Granted Feb 22, 1994·37 cites·55 claims
- 0256US6306538B1Portable information deviceCITIZEN WATCH CO LTD·Filed 1997·Granted Oct 23, 2001·38 cites·13 claims
- 0350US3946591AMethod of and system for detecting the rate of an electronic timepieceCITIZEN WATCH CO LTD·Filed 1974·Granted Mar 30, 1976·8 cites·5 claims
- 0448US2005277855A1Device for suppressing roaring of petORION ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 0545US6060789APower supply switching circuit for portable equipmentCITIZEN WATCH CO LTD·Filed 1997·Granted May 9, 2000·22 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →