Inventor · disambiguated record
Takehiko Yokosuka
Also filed as: YOKOSUKA TAKEHIKO
6 granted patents·103 citations·filing 1981–1998
84Inventor score
Files withPILOT INK CO LTD6
Top patents by PatentIndex Score
6 records- 0173US4913175ALiquid-applying tip assemblyPILOT INK CO LTD·Filed 1988·Granted Apr 3, 1990·47 cites·4 claims
- 0266US4457644ABall-point pen tipPILOT INK CO LTD·Filed 1981·Granted Jul 3, 1984·21 cites·11 claims
- 0346US6076987ABallpoint pen and cap thereforPILOT INK CO LTD·Filed 1994·Granted Jun 20, 2000·14 cites·38 claims
- 0443US6010269AWriting implementPILOT INK CO LTD·Filed 1998·Granted Jan 4, 2000·7 cites·11 claims
- 0539US4968169APenpoint assembly and writing instrument employing the samePILOT INK CO LTD·Filed 1988·Granted Nov 6, 1990·8 cites·4 claims
- 0634US5290117APenpoint assembly and writing instrument employing the samePILOT INK CO LTD·Filed 1991·Granted Mar 1, 1994·6 cites·15 claims
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