Inventor · disambiguated record
Tadayoshi Ebinuma
Also filed as: EBINUMA TADAYOSHI
11 granted patents·129 citations·filing 1988–2001
91Inventor score
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11 records- 0185US5547301AWriting instrument with rotatable advancement and retractionKOTOBUKI & CO LTD·Filed 1995·Granted Aug 20, 1996·29 cites·20 claims
- 0279US7008131B2Composite holding deviceKOTOBUKI & CO LTD·Filed 2001·Granted Mar 7, 2006·17 cites·22 claims
- 0354US5056947ADual refill-type writing utensilKOTOBUKI & CO LTD·Filed 1990·Granted Oct 15, 1991·17 cites·3 claims
- 0453US4856693AWorking out container of bar shaped articleKOTOBUKI & CO LTD·Filed 1988·Granted Aug 15, 1989·19 cites·2 claims
- 0551US5810496AWriting instrumentKOTOBUKI & CO LTD·Filed 1997·Granted Sep 22, 1998·8 cites·1 claims
- 0650US5535487AClip attachment apparatus for a writing instrumentGILLETTE CO·Filed 1993·Granted Jul 16, 1996·15 cites·8 claims
- 0748US6039485ADouble-chuck mechanical pencilKOTOBUKI & CO LTD·Filed 1998·Granted Mar 21, 2000·7 cites·26 claims
- 0846US5961237AWriting instrumentKOTOBUKI & CO LTD·Filed 1998·Granted Oct 5, 1999·6 cites·2 claims
- 0938US5165813AContainer with snap-in chuck and chuck ringKOTOBUKI & CO LTD·Filed 1991·Granted Nov 24, 1992·6 cites·10 claims
- 1035US6379067B2Double-chuck mechanical pencilKOTOBUKI & CO LTD·Filed 1999·Granted Apr 30, 2002·3 cites·8 claims
- 1131US4969763ALead forwarding mechanism retainer for thurst action mechanical pencilKOTOBUKI & CO LTD·Filed 1988·Granted Nov 13, 1990·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →