Inventor · disambiguated record
Tanehiro Nakagawa
Also filed as: NAKAGAWA TANEHIRO
3 granted patents·80 citations·filing 1991–1994
74Inventor score
Files withPILOT INK CO LTD3
Top patents by PatentIndex Score
3 records- 0178US5502967AColor variation inducing devicePILOT INK CO LTD·Filed 1994·Granted Apr 2, 1996·26 cites·8 claims
- 0272US5316513AElectrothermal color-varying device and toy utilizing the samePILOT INK CO LTD·Filed 1993·Granted May 31, 1994·33 cites·5 claims
- 0361US5376772AElectrothermal instrument with heat generating element of sintered BaTiO3 in contact with heat transmitting memberPILOT INK CO LTD·Filed 1991·Granted Dec 27, 1994·21 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →