Inventor · disambiguated record
Katsumi Hanashima
Also filed as: HANASHIMA KATSUMI
4 granted patents·203 citations·filing 1997–2007
75Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0190US6081265ASystem for providing a same user interface and an appropriate graphic user interface for computers having various specificationsHITACHI LTD·Filed 1997·Granted Jun 27, 2000·196 cites·38 claims
- 0275US7292851B2Communication support system, information processing terminal, radiotelephone network, message server, and recording mediumHITACHI LTD·Filed 2006·Granted Nov 6, 2007·5 cites·12 claims
- 0353US7076247B2Communication support system, information processing terminal, radiotelephone network, message server, and recording mediumHITACHI LTD·Filed 2002·Granted Jul 11, 2006·2 cites·11 claims
- 0452US7953408B2Message transmission system using an area address to transmit messagesHITACHI LTD·Filed 2007·Granted May 31, 2011·0 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Katsumi Hanashima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →