Inventor · disambiguated record
Hisashige Fujiwara
Also filed as: FUJIWARA HISASHIGE
5 granted patents·33 citations·filing 1985–2003
75Inventor score
Files withVICTOR COMPANY OF JAPAN5
Top patents by PatentIndex Score
5 records- 0167US4931743ANoise reduction circuitVICTOR COMPANY OF JAPAN·Filed 1987·Granted Jun 5, 1990·24 cites·12 claims
- 0262US6587306B1Tape cassette of high transparency materialVICTOR COMPANY OF JAPAN·Filed 2000·Granted Jul 1, 2003·4 cites·4 claims
- 0343US6710974B2Tape cassette of high transparency materialVICTOR COMPANY OF JAPAN·Filed 2003·Granted Mar 23, 2004·0 cites·6 claims
- 0443US6680819B2Tape cassette of high transparency materialVICTOR COMPANY OF JAPAN·Filed 2003·Granted Jan 20, 2004·0 cites·6 claims
- 0537US4698693AAudio magnetic recording and/or reproducing apparatus utilizing frequency modulationVICTOR COMPANY OF JAPAN·Filed 1985·Granted Oct 6, 1987·5 cites·16 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →