Inventor · disambiguated record
Katsuhiko Shiraishi
Also filed as: SHIRAISHI KATSUHIKO
18 granted patents·1 pending application·188 citations·filing 1993–2016
94Inventor score
Files withHITACHI LTD8MITSUBISHI PENCIL CO6MITSUBISHI PENCIL KABUSHIKIKAI3KURASHIGE JUN1YOSHIDA SHUSAKU1
Top patents by PatentIndex Score
19 records- 0187US5348989AInk volatilization preventing composition for aqueous ball point penMITSUBISHI PENCIL CO·Filed 1993·Granted Sep 20, 1994·52 cites·5 claims
- 0286US9959999B2Method for controlling power switching apparatusHITACHI LTD·Filed 2016·Granted May 1, 2018·4 cites·8 claims
- 0373US8674562B2Linear motor armature and linear motorYOSHIDA SHUSAKU·Filed 2011·Granted Mar 18, 2014·4 cites·20 claims
- 0471US5850065AGas circuit breakerHITACHI LTD·Filed 1997·Granted Dec 15, 1998·24 cites·12 claims
- 0570US5693313ATeeth coating liquidMITSUBISHI PENCIL CO·Filed 1995·Granted Dec 2, 1997·34 cites·8 claims
- 0669US9899172B2Circuit breaker and circuit breaker operating methodHITACHI LTD·Filed 2013·Granted Feb 20, 2018·2 cites·11 claims
- 0767US9620315B2Gas circuit breakerHITACHI LTD·Filed 2014·Granted Apr 11, 2017·2 cites·12 claims
- 0865US10199188B2Gas circuit breakerHITACHI LTD·Filed 2016·Granted Feb 5, 2019·1 cites·10 claims
- 0961US6132124AInk follower for aqueous ballpoint pen using gel-like material and solid pieceMITSUBISHI PENCIL CO·Filed 1996·Granted Oct 17, 2000·15 cites·16 claims
- 1059US8324992B2Electromagnetic contactorKURASHIGE JUN·Filed 2010·Granted Dec 4, 2012·2 cites·4 claims
- 1155US5733344ATemporary hair dyes containing a dispersant, titanium black, pigments and an alcoholic solvent, and processes of producing temporary hair dyesMITSUBISHI PENCIL CO·Filed 1996·Granted Mar 31, 1998·17 cites·6 claims
- 1248US9754742B2Gas circuit breakerHITACHI LTD·Filed 2016·Granted Sep 5, 2017·0 cites·4 claims
- 1347US5777842ATransformer station and breaker apparatusHITACHI LTD·Filed 1996·Granted Jul 7, 1998·11 cites·15 claims
- 1442US6521035B1Ink follow up composition for water-base ball penMITSUBISHI PENCIL KABUSHIKIKAI·Filed 1999·Granted Feb 18, 2003·6 cites·3 claims
- 1542US2015091677A1Gas Circuit BreakerHITACHI LTD·Filed 2013·Application pending·0 cites
- 1634US6599352B1Water-based ink composition for writing instrumentMITSUBISHI PENCIL CO·Filed 1999·Granted Jul 29, 2003·4 cites·2 claims
- 1733US6376560B1Ink follower for water-base ballpoint pens and method of manufacturing the sameMITSUBISHI PENCIL KABUSHIKIKAI·Filed 1998·Granted Apr 23, 2002·4 cites·21 claims
- 1833US6227738B1Method of manufacturing ink follower for water-base ballpoint pensMITSUBISHI PENCIL KABUSHIKIKAI·Filed 1998·Granted May 8, 2001·3 cites·38 claims
- 1931US6391927B1Method for manufacturing ink follower for water base ballpoint pensMITSUBISHI PENCIL CO·Filed 1998·Granted May 21, 2002·3 cites·4 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →