Inventor · disambiguated record
Yoshihide Mitsuya
Also filed as: MITSUYA YOSHIHIDE
56 granted patents·1 pending application·640 citations·filing 1977–2001
99Inventor score
Files withKOTOBUKI & CO LTD52CROWN FANCY GOODS CO LTD1KOTOBUKO & CO LTD1MITSUYA YOSHIHIDE1SAKURA COLOR PROD CORP1
Top patents by PatentIndex Score
57 records- 0186US5997200ABarrel with finger gripping meansKOTOBUKI & CO LTD·Filed 1999·Granted Dec 7, 1999·28 cites·8 claims
- 0283US5988908ABarrel with finger gripping meansKOTOBUKI & CO LTD·Filed 1996·Granted Nov 23, 1999·27 cites·8 claims
- 0382US5022774AWriting tool with eraser dispenserKOTOBUKI & CO LTD·Filed 1988·Granted Jun 11, 1991·24 cites·3 claims
- 0481US5370471AWriting tool, with eraser dispenserKOTOBUKI & CO LTD·Filed 1992·Granted Dec 6, 1994·30 cites·14 claims
- 0577US6491467B1Writing instrumentKOTOBUKI & CO LTD·Filed 2001·Granted Dec 10, 2002·14 cites·6 claims
- 0671US5702193ASide knock type mechanical pencilKOTOBUKI & CO LTD·Filed 1996·Granted Dec 30, 1997·14 cites·12 claims
- 0770US5480249ALead dispensing storage containerKOTOBUKI & CO LTD·Filed 1994·Granted Jan 2, 1996·24 cites·2 claims
- 0869US5683191AWriting toolKOTOBUKI & CO LTD·Filed 1994·Granted Nov 4, 1997·17 cites·4 claims
- 0968US5971644ASide knock-type writing instrumentKOTOBUKI & CO LTD·Filed 1998·Granted Oct 26, 1999·19 cites·15 claims
- 1067US5713680ACombined writing toolCROWN FANCY GOODS CO LTD·Filed 1995·Granted Feb 3, 1998·26 cites·14 claims
- 1167US5553956AStick-shaped material propelling deviceKOTOBUKI & CO LTD·Filed 1994·Granted Sep 10, 1996·28 cites·14 claims
- 1264US5803637AStick-shaped material propelling containerKOTOBUKI & CO LTD·Filed 1996·Granted Sep 8, 1998·14 cites·5 claims
- 1364US5062727AWriting toolKOTOBUKI & CO LTD·Filed 1988·Granted Nov 5, 1991·12 cites·4 claims
- 1462US5988913ADouble-chuck mechanical pencilKOTOBUKI & CO LTD·Filed 1997·Granted Nov 23, 1999·12 cites·6 claims
- 1561US6517272B1Double-chuck mechanical pencilKOTOBUKI & CO LTD·Filed 1999·Granted Feb 11, 2003·11 cites·4 claims
- 1660US6325130B1Coat transfer toolKOTOBUKI & CO LTD·Filed 1999·Granted Dec 4, 2001·15 cites·20 claims
- 1760US5662425AStick-shaped material propelling containerKOTOBUKI & CO LTD·Filed 1996·Granted Sep 2, 1997·20 cites·3 claims
- 1859US6039484AWriting instrumentKOTOBUKI & CO LTD·Filed 1998·Granted Mar 21, 2000·14 cites·28 claims
- 1956US5207522AKnock type mechanical pencil with retractable eraserKOTOBUKI & CO LTD·Filed 1991·Granted May 4, 1993·10 cites·3 claims
- 2056US5074694ALatch mechanism for retractable writing instrumentsKOTOBUKI & CO LTD·Filed 1990·Granted Dec 24, 1991·17 cites·4 claims
- 2155US4973179AClip actuated latch mechanism for retractable writing instrumentsKOTOBUKI & CO LTD·Filed 1989·Granted Nov 27, 1990·13 cites·4 claims
- 2254US6287036B1Knocking writing utensilKOTOBUKI & CO LTD·Filed 2000·Granted Sep 11, 2001·4 cites·27 claims
- 2354US5056947ADual refill-type writing utensilKOTOBUKI & CO LTD·Filed 1990·Granted Oct 15, 1991·17 cites·3 claims
- 2453US4998837ALead cartridge with an openable capping structureKOTOBUKI & CO LTD·Filed 1989·Granted Mar 12, 1991·13 cites·10 claims
- 2552US6210058B1Side knock type mechanical pencilKOTOBUKI & CO LTD·Filed 2000·Granted Apr 3, 2001·2 cites·80 claims
- 2652US4955739AMechanical pencil having side push button actuated lead advanceKOTOBUKI & CO LTD·Filed 1988·Granted Sep 11, 1990·13 cites·4 claims
- 2751US5549404AStick-shaped material drive container and supply cassetteKOTOBUKI & CO LTD·Filed 1994·Granted Aug 27, 1996·19 cites·15 claims
- 2850US5306107ATwin-type stick-shaped material extending containerKOTOBUKI & CO LTD·Filed 1993·Granted Apr 26, 1994·15 cites·9 claims
- 2949US5018891AWriting instrument with eraser dispenserKOTOBUKO & CO LTD·Filed 1989·Granted May 28, 1991·13 cites·3 claims
- 3048US6039485ADouble-chuck mechanical pencilKOTOBUKI & CO LTD·Filed 1998·Granted Mar 21, 2000·7 cites·26 claims
- 3148US5236270AWriting tool for advancing lead with eraser dispenserKOTOBUKI & CO LTD·Filed 1992·Granted Aug 17, 1993·7 cites·3 claims
- 3246US6171397B1Paint film transfer deviceKOTOBUKI & CO LTD·Filed 1998·Granted Jan 9, 2001·7 cites·18 claims
- 3346US5462376AMechanical pencil with improved slider mechanismKOTOBUKI & CO LTD·Filed 1994·Granted Oct 31, 1995·11 cites·5 claims
- 3446US4884910AMechanical pencilKOTOBUKI & CO LTD·Filed 1988·Granted Dec 5, 1989·10 cites·14 claims
- 3546US4143473AMemorizing aidSAKURA COLOR PROD CORP·Filed 1977·Granted Mar 13, 1979·7 cites·3 claims
- 3645US5947620ADouble-chuck mechanical pencilKOTOBUKI & CO LTD·Filed 1995·Granted Sep 7, 1999·8 cites·4 claims
- 3745US4872776ALead chuck of mechanical pencilKOTOBUKI & CO LTD·Filed 1987·Granted Oct 10, 1989·10 cites·9 claims
- 3844US5988914AWriting instrumentKOTOBUKI & CO LTD·Filed 1998·Granted Nov 23, 1999·7 cites·28 claims
- 3942US5090831AWriting instrumentKOTOBUKI & CO LTD·Filed 1990·Granted Feb 25, 1992·9 cites·2 claims
- 4042US2002021290A1Input penFiled 2001·Application pending·0 cites
- 4141US4896982ALead feed mechanism for mechanical pencilKOTOBUKI & CO LTD·Filed 1988·Granted Jan 30, 1990·7 cites·8 claims
- 4240US6517271B1Double-chuck mechanical pencilKOTOBUKI & CO LTD·Filed 1999·Granted Feb 11, 2003·4 cites·3 claims
- 4339US6082916AMechanical pencilKOTOBUKI & CO LTD·Filed 1998·Granted Jul 4, 2000·5 cites·7 claims
- 4439US5791797ASide knock type mechanical pencilKOTOBUKI & CO LTD·Filed 1996·Granted Aug 11, 1998·3 cites·13 claims
- 4539US5700101AWriting toolKOTOBUKI & CO LTD·Filed 1994·Granted Dec 23, 1997·4 cites·3 claims
- 4638US5165813AContainer with snap-in chuck and chuck ringKOTOBUKI & CO LTD·Filed 1991·Granted Nov 24, 1992·6 cites·10 claims
- 4738US4281939AMechanical pencilMITSUYA YOSHIHIDE·Filed 1979·Granted Aug 4, 1981·6 cites·1 claims
- 4837US4957384AMechanical pencilKOTOBUKI & CO LTD·Filed 1989·Granted Sep 18, 1990·5 cites·3 claims
- 4936US6099182ASide knock-type mechanical pencilKOTOBUKI & CO LTD·Filed 1998·Granted Aug 8, 2000·2 cites·18 claims
- 5036US4836703ALead cartridge opening and closing unitKOTOBUKI & CO LTD·Filed 1987·Granted Jun 6, 1989·5 cites·2 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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