Inventor · disambiguated record
Kei Tohyama
Also filed as: TOHYAMA KEI
27 granted patents·5 pending applications·118 citations·filing 1992–2025
94Inventor score
Top patents by PatentIndex Score
32 records- 0197US11886099B2Electronic apparatus and accessoryCANON KK·Filed 2021·Granted Jan 30, 2024·6 cites·28 claims
- 0295US11796898B2Electronic apparatus and accessoryCANON KK·Filed 2021·Granted Oct 24, 2023·5 cites·23 claims
- 0388US12347970B2Shoe apparatus, accessory, accessory shoe apparatus, and electronic apparatusCANON KK·Filed 2022·Granted Jul 1, 2025·1 cites·17 claims
- 0487US7359632B2Flash apparatus, image capture apparatus having a flash apparatus, and method of controlling a flash apparatusCANON KK·Filed 2005·Granted Apr 15, 2008·11 cites·24 claims
- 0585US2025284180A1Electronic apparatus and accessoryCANON KK·Filed 2025·Application pending·0 cites
- 0682US2025279614A1Shoe apparatus, accessory, accessory shoe apparatus, and electronic apparatusCANON KK·Filed 2025·Application pending·0 cites
- 0781US12411393B2Electronic apparatus and accessoryCANON KK·Filed 2023·Granted Sep 9, 2025·0 cites·1 claims
- 0880US5286218AElectric connector having means for fixing contactsMINNESOTA MINING & MFG·Filed 1992·Granted Feb 15, 1994·55 cites·2 claims
- 0977US8264597B2Image pickup apparatus that enables shooting with light emission device, and control method thereforTOHYAMA KEI·Filed 2010·Granted Sep 11, 2012·4 cites·6 claims
- 1070US7974795B2Electronic apparatusCANON KK·Filed 2008·Granted Jul 5, 2011·5 cites·14 claims
- 1170US2025306435A1Electronic apparatus and accessoryCANON KK·Filed 2025·Application pending·0 cites
- 1269US8768158B2Image pickup apparatus, flash apparatus, and camera systemHANAYAMA TATSUYA·Filed 2011·Granted Jul 1, 2014·3 cites·14 claims
- 1369US2025328059A1Electronic apparatus and accessoryCANON KK·Filed 2025·Application pending·0 cites
- 1468US8417110B2Image pickup apparatus capable of displaying a image representing an object brightness that can be set as a target exposure by exposure control, and method of controlling the sameTOHYAMA KEI·Filed 2010·Granted Apr 9, 2013·2 cites·5 claims
- 1567US12393102B2Electronic apparatus and accessoryCANON KK·Filed 2022·Granted Aug 19, 2025·0 cites·15 claims
- 1664US2023400754A1Electronic apparatus and accessoryCANON KK·Filed 2023·Application pending·0 cites
- 1762US12399418B2Electronic apparatus and accessoryCANON KK·Filed 2022·Granted Aug 26, 2025·0 cites·16 claims
- 1862US6055379AFlash device, camera, and camera system composed of flash device and camera bodyCANON KK·Filed 1998·Granted Apr 25, 2000·7 cites·14 claims
- 1961US12399417B2Electronic apparatus and accessoryCANON KK·Filed 2022·Granted Aug 26, 2025·0 cites·14 claims
- 2061US7471332B2Imaging device having a capability of checking connection with a flash unit, flash unit having a capability of checking connection with an imaging device, and system including an imaging device and a flash unit and having a capability of checking connection between the imaging device and the flash unitCANON KK·Filed 2004·Granted Dec 30, 2008·4 cites·5 claims
- 2155US7786700B2Battery-powered apparatus, method of controlling the apparatus, program for implementing the method, and storage medium storing the programCANON KK·Filed 2006·Granted Aug 31, 2010·2 cites·6 claims
- 2254US11696019B2Accessory and electronic apparatusCANON KK·Filed 2022·Granted Jul 4, 2023·0 cites·16 claims
- 2354US10594918B2Lighting device that is capable of connecting to electronic apparatus, and control method thereforCANON KK·Filed 2017·Granted Mar 17, 2020·0 cites·6 claims
- 2453US7813636B2Imaging apparatus, camera system, and controlling method thereforCANON KK·Filed 2008·Granted Oct 12, 2010·0 cites·19 claims
- 2551US12313956B2Electronic apparatus and accessoryCANON KK·Filed 2022·Granted May 27, 2025·0 cites·23 claims
- 2651US9667866B2Image pickup apparatus having GPS function and interval photographing function, and method of controlling the sameCANON KK·Filed 2014·Granted May 30, 2017·0 cites·10 claims
- 2750US9596363B2Electronic apparatus capable of connecting to accessory device, method of controlling the same, storage medium, and accessory deviceCANON KK·Filed 2015·Granted Mar 14, 2017·0 cites·12 claims
- 2850US6831420B1Light emitting system, transmitting apparatus for use in light emitting system, and receiving apparatus for use in light emitting systemCANON KK·Filed 2003·Granted Dec 14, 2004·5 cites·18 claims
- 2949US9043175B2Electronic apparatusTOHYAMA KEI·Filed 2011·Granted May 26, 2015·0 cites·17 claims
- 3048US7863864B2Battery-powered apparatus, method of controlling the apparatus, program for implementing the method, and storage medium storing the programCANON KK·Filed 2010·Granted Jan 4, 2011·0 cites·10 claims
- 3142US9236905B2Wireless communication system including frequency hopping electronic devices, and control method and storage medium thereforCANON KK·Filed 2012·Granted Jan 12, 2016·0 cites·28 claims
- 3241US5956535AFlash deviceCANON KK·Filed 1997·Granted Sep 21, 1999·8 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →