Inventor · disambiguated record
Hirohiko Katayama
Also filed as: KATAYAMA HIROHIKO
13 granted patents·303 citations·filing 1981–1999
93Inventor score
Top patents by PatentIndex Score
13 records- 0195USD273111SCombined data input terminal and acoustic couplerCANON KK·Filed 1981·Granted Mar 20, 1984·49 cites·1 claims
- 0286US4885136AMethod of anticorrosive treatment for soft water boilersKATAYAMA CHEMICAL WORKS CO·Filed 1987·Granted Dec 5, 1989·43 cites·8 claims
- 0380US5563694APrinter apparatus for forming an embossed imageCANON KK·Filed 1995·Granted Oct 8, 1996·31 cites·13 claims
- 0471US6643377B1Audio output system and method thereforCANON KK·Filed 1999·Granted Nov 4, 2003·56 cites·15 claims
- 0569US4651299AData processing apparatusCANON KK·Filed 1984·Granted Mar 17, 1987·23 cites·11 claims
- 0662US4580133ADisplay deviceCANON KK·Filed 1983·Granted Apr 1, 1986·18 cites·4 claims
- 0761US4881900ASensing display apparatus of image patternCANON KK·Filed 1987·Granted Nov 21, 1989·22 cites·10 claims
- 0853US4831653ASystem for registering speech information to make a voice dictionaryCANON KK·Filed 1987·Granted May 16, 1989·25 cites·6 claims
- 0949US4461023ARegistration method of registered words for use in a speech recognition systemCANON KK·Filed 1981·Granted Jul 17, 1984·16 cites·12 claims
- 1041US5091865APattern reading apparatus having variable reading periodCANON KK·Filed 1991·Granted Feb 25, 1992·12 cites·17 claims
- 1141US4587663AConversation device with space and feed movement related to actuation time of control keyCANON KK·Filed 1982·Granted May 6, 1986·4 cites·31 claims
- 1232US5103485APattern information reading apparatusCANON KK·Filed 1989·Granted Apr 7, 1992·4 cites·5 claims
- 1325USD315354SBook reader for the blindCANON KK·Filed 1988·Granted Mar 12, 1991·0 cites·1 claims
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