Inventor · disambiguated record
Takashi Hamamoto
Also filed as: HAMAMOTO TAKASHI · TATSUTOMI YASUO
21 granted patents·1 pending application·481 citations·filing 1977–2004
96Inventor score
Top patents by PatentIndex Score
22 records- 0197US4481244AMaterial used to bear writing or printingCANON KK·Filed 1983·Granted Nov 6, 1984·73 cites·7 claims
- 0295US5623476ARecording device and reproduction deviceCANON KK·Filed 1995·Granted Apr 22, 1997·79 cites·195 claims
- 0391US4496629AMaterial used to bear writing or printingCANON KK·Filed 1983·Granted Jan 29, 1985·44 cites·9 claims
- 0487US4802989ASystem for purifying dyeCANON KK·Filed 1986·Granted Feb 7, 1989·22 cites·10 claims
- 0587US4592980APhotoconductive layer having hydrophilic and hydrophobic moietiesCANON KK·Filed 1984·Granted Jun 3, 1986·27 cites·16 claims
- 0685US4957061APlurality of beam producing means disposed in different longitudinal and lateral directions from each other with respect to a substrateCANON KK·Filed 1989·Granted Sep 18, 1990·51 cites·58 claims
- 0784US4798694AMethod for producing composite materialsCANON KK·Filed 1986·Granted Jan 17, 1989·56 cites·14 claims
- 0878US4177784AEngine starting deviceTOYO KOGYO CO·Filed 1977·Granted Dec 11, 1979·18 cites·4 claims
- 0976US6334915B1Copper alloy sheet for electronic partsKOBE STEEL LTD·Filed 1999·Granted Jan 1, 2002·29 cites·17 claims
- 1071US4698151ADyestuff refining systemCANON KK·Filed 1985·Granted Oct 6, 1987·10 cites·8 claims
- 1164US4544580AMethod for recording by writing or printing with inkCANON KK·Filed 1984·Granted Oct 1, 1985·8 cites·10 claims
- 1254US5140398ASwitching deviceCANON KK·Filed 1987·Granted Aug 18, 1992·13 cites·29 claims
- 1353US4618561AMonomolecular record memory medium with photosensitive diazonium saltCANON KK·Filed 1984·Granted Oct 21, 1986·7 cites·14 claims
- 1451US4634628ARecording medium and image recording processCANON KK·Filed 1984·Granted Jan 6, 1987·5 cites·9 claims
- 1550US4664815AInk production systemCANON KK·Filed 1985·Granted May 12, 1987·14 cites·4 claims
- 1644US5359204ASwitching deviceCANON KK·Filed 1992·Granted Oct 25, 1994·10 cites·72 claims
- 1739US4572847AProcess for recording with ink on a material comprising a substrate having thereon a coating layer with micro-cracksCANON KK·Filed 1984·Granted Feb 25, 1986·4 cites·8 claims
- 1838US4766047AOptical recording medium and optical recording process using such mediumCANON KK·Filed 1986·Granted Aug 23, 1988·3 cites·10 claims
- 1938US2006145490A1Collision energy-absorbing material for vehicle and collision energy-absorbing structure of vehicle using the materialYAMAGUCHI KENJI·Filed 2003·Application pending·0 cites
- 2037US7123093B2Semiconductor integrated circuitOKI ELECTRIC IND CO LTD·Filed 2004·Granted Oct 17, 2006·1 cites·4 claims
- 2135US5498932ADrive voltage generating circuit having a contrast control functionOKI ELECTRIC IND CO LTD·Filed 1994·Granted Mar 12, 1996·5 cites·22 claims
- 2235US4804613AOptical recording medium and optical recording process using such mediumCANON KK·Filed 1987·Granted Feb 14, 1989·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →