Inventor · disambiguated record
Michiyuki Yasuda
Also filed as: YASUDA MICHIYUKI
9 granted patents·2 pending applications·174 citations·filing 1992–2012
88Inventor score
Top patents by PatentIndex Score
11 records- 0191US5928803ATemperature-sensitive reversibly deformable laminatePILOT INK CO LTD·Filed 1997·Granted Jul 27, 1999·75 cites·12 claims
- 0283US5352649AThermochromic laminate member, and composition and sheet for producing the samePILOT INK CO LTD·Filed 1992·Granted Oct 4, 1994·48 cites·20 claims
- 0377US9592702B2Friction body, writing instrument and writing instrument setWASE TAKASHI·Filed 2008·Granted Mar 14, 2017·11 cites·45 claims
- 0475US7575386B2Color-memorizing photochromic writing instrument, color-memorizing photochromic writing instrument set using the same and method for alternately expressing color-memorizing photochromic function of writing imagePILOT INK CO LTD·Filed 2005·Granted Aug 18, 2009·5 cites·15 claims
- 0574US7351362B2Photochromic materialPILOT INK CO LTD·Filed 2004·Granted Apr 1, 2008·10 cites·8 claims
- 0669US9937434B2Photochromic toyYASUDA MICHIYUKI·Filed 2012·Granted Apr 10, 2018·3 cites·11 claims
- 0763US8444450B2Method for alternately expressing color-memorizing photochromic function in toy element, and an alternately color-memorizing photochromic toySHIBAHASHI YUTAKA·Filed 2003·Granted May 21, 2013·10 cites·15 claims
- 0847US6943772B2Magnetic display devicePILOT INK CO LTD·Filed 1999·Granted Sep 13, 2005·12 cites·6 claims
- 0944US6713431B2Metallic luster tone thermochromic laminate memberPILOT INK CO LTD·Filed 2002·Granted Mar 30, 2004·0 cites·6 claims
- 1043US2007082977A1Ink composition for color-memorizing photochromic writing instrument and writing instrument using the sameMASAHIRO IRIE·Filed 2005·Application pending·0 cites
- 1129US2003087580A1Color memory toyFiled 1994·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →