Inventor · disambiguated record
Tatsuya Igawa
Also filed as: IGAWA TATSUYA
5 granted patents·157 citations·filing 1983–1990
82Inventor score
Top patents by PatentIndex Score
5 records- 0192US5151032AMagnetophoretic display panelPILOT KK·Filed 1990·Granted Sep 29, 1992·110 cites·20 claims
- 0261US4550660AStencilPILOT MAN NEN HISU KABUSHIKI K·Filed 1983·Granted Nov 5, 1985·19 cites·5 claims
- 0356US4597829AStencil, stencil material kit and stencil duplicator kit containing the samePILOT PEN CO LTD·Filed 1985·Granted Jul 1, 1986·15 cites·17 claims
- 0437US4750003AMagnetic display unitPILOT PEN CO LTD·Filed 1987·Granted Jun 7, 1988·8 cites·22 claims
- 0536US4569283AStencil material set and stencil duplicator setPILOT PEN CO LTD·Filed 1984·Granted Feb 11, 1986·5 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →