Inventor · disambiguated record
Wataru Ichikawa
Also filed as: ICHIKAWA WATARU
14 granted patents·612 citations·filing 1985–1993
95Inventor score
Top patents by PatentIndex Score
14 records- 0194US4764767AAbsolute rotational position detection deviceS G KK·Filed 1986·Granted Aug 16, 1988·127 cites·10 claims
- 0294US4717874AReluctance type linear position detection deviceS G KK·Filed 1985·Granted Jan 5, 1988·109 cites·26 claims
- 0393US4951048AAbsolute linear position detection deviceS G KK·Filed 1989·Granted Aug 21, 1990·50 cites·17 claims
- 0490US4879555AAbsolute linear position detection deviceS G KK·Filed 1986·Granted Nov 7, 1989·39 cites·18 claims
- 0587US5412172ASpot welding machineS G KK·Filed 1993·Granted May 2, 1995·42 cites·28 claims
- 0685US4743786ARotational position detection deviceS G KK·Filed 1985·Granted May 10, 1988·61 cites·10 claims
- 0777US5252902AServo control systemS G KK·Filed 1990·Granted Oct 12, 1993·51 cites·13 claims
- 0877US5194709AMethod for checking a spot welded portion and spot welding machineS G KK·Filed 1991·Granted Mar 16, 1993·49 cites·46 claims
- 0966US4922199ARotary position transducer having hinged circuit boardsENPROTECH CORP·Filed 1988·Granted May 1, 1990·29 cites·2 claims
- 1052US5349293AConductive rotational position detection device having stator and rotorS G KK·Filed 1992·Granted Sep 20, 1994·16 cites·9 claims
- 1147US5293031AMagnetic bar code reading system employing phase-shift type sensor having plural sensing sectionsATSUTOSHI GOTO·Filed 1991·Granted Mar 8, 1994·15 cites·20 claims
- 1241US5006798APosition detection using reluctance changes induced by displacement of metallic ballsS G KK·Filed 1990·Granted Apr 9, 1991·10 cites·7 claims
- 1338US4695235ABag-cylinder control device in a tire vulcanizerS G KK·Filed 1986·Granted Sep 22, 1987·8 cites·5 claims
- 1433US5277101ARodless cylinder apparatusS G KK·Filed 1992·Granted Jan 11, 1994·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →