Inventor · disambiguated record
Hiroshi Nagayama
Also filed as: NAGAYAMA HIROSHI
5 granted patents·71 citations·filing 1981–2017
75Inventor score
Top patents by PatentIndex Score
5 records- 0186US4757477ADual-port semiconductor memory deviceFUJITSU LTD·Filed 1987·Granted Jul 12, 1988·61 cites·7 claims
- 0235US4608353AHigh-alumina refractory for use in non-ferrous metal melting furnaceHITACHI LTD·Filed 1984·Granted Aug 26, 1986·6 cites·11 claims
- 0333US10657417B2Person information display apparatus, a person information display method, and a person information display programAMBASS INC·Filed 2017·Granted May 19, 2020·0 cites·17 claims
- 0430US10639224B2Message display apparatus, a message display method, and a message display programAMBASS INC·Filed 2017·Granted May 5, 2020·0 cites·11 claims
- 0530US4383044ASlaking-resistant calcia refractoryHITACHI LTD·Filed 1981·Granted May 10, 1983·4 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →