Inventor · disambiguated record
Koichi Hayasaka
Also filed as: HAYASAKA KOICHI
4 granted patents·941 citations·filing 1997–1998
84Inventor score
Top patents by PatentIndex Score
4 records- 0195US6622174B1System for sending, converting, and adding advertisements to electronic messages sent across a networkSONY CORP·Filed 1998·Granted Sep 16, 2003·593 cites·16 claims
- 0288US6192258B1Mobile communication device with a rotary push switchACCESS CO LTD·Filed 1998·Granted Feb 20, 2001·164 cites·16 claims
- 0383US6600930B1Information provision system, information regeneration terminal, and serverSONY CORP·Filed 1998·Granted Jul 29, 2003·159 cites·22 claims
- 0449US5802536AInformation search and display apparatusSONY CORP·Filed 1997·Granted Sep 1, 1998·25 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →