Inventor · disambiguated record
Yuji Naka
Also filed as: NAKA YUJI
14 granted patents·440 citations·filing 1991–2018
94Inventor score
Files withSEGA OF AMERICA INC7SEGA KK DBA SEGA CORP2INFORMATION SERVICE INTERNATIO1NIPPON KOKAN KK1SEGA CORP1
Top patents by PatentIndex Score
14 records- 0186US5411270ASplit-screen video game with character playfield position exchangeSEGA OF AMERICA INC·Filed 1993·Granted May 2, 1995·115 cites·10 claims
- 0283US5513307AVideo game with switchable collision graphicsSEGA OF AMERICA INC·Filed 1993·Granted Apr 30, 1996·65 cites·12 claims
- 0379US5405151AMulti-player video game with cooperative mode and competition modeSEGA OF AMERICA INC·Filed 1993·Granted Apr 11, 1995·55 cites·25 claims
- 0478US5470080AMulti-player video game apparatus with single screen mode and split screen modeSEGA OF AMERICA INC·Filed 1993·Granted Nov 28, 1995·51 cites·14 claims
- 0570US5411272AVideo game with spiral loop graphicsSEGA OF AMERICA INC·Filed 1993·Granted May 2, 1995·34 cites·10 claims
- 0667US7664536B2Character communication deviceSEGA KK DBA SEGA CORP·Filed 2006·Granted Feb 16, 2010·1 cites·2 claims
- 0767US6697068B2Game screen display control method and character movement control methodSEGA CORP·Filed 2002·Granted Feb 24, 2004·11 cites·15 claims
- 0862US5941775AData processing system, method thereof and memory cassetteSEGA OF AMERICA INC·Filed 1995·Granted Aug 24, 1999·29 cites·15 claims
- 0955US5963218AVideo game with switchable collision graphicsSEGA OF AMERICA INC·Filed 1995·Granted Oct 5, 1999·21 cites·1 claims
- 1051US10697552B2Faucet valveTOTO LTD·Filed 2018·Granted Jun 30, 2020·0 cites·20 claims
- 1151US6377264B1Game screen display control method and character movement control methodSEGA ENTERPRISES KK·Filed 1999·Granted Apr 23, 2002·17 cites·11 claims
- 1247US5241296APlant activation tracking and display apparatusINFORMATION SERVICE INTERNATIO·Filed 1991·Granted Aug 31, 1993·19 cites·23 claims
- 1345US7203908B1Character communication deviceSEGA KK DBA SEGA CORP·Filed 1998·Granted Apr 10, 2007·13 cites·8 claims
- 1442US5200040AMethod for rectification and apparatus thereforNIPPON KOKAN KK·Filed 1991·Granted Apr 6, 1993·9 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →