Inventor · disambiguated record
Yoshiharu Katsuta
Also filed as: KATSUTA YOSHIHARU
4 granted patents·45 citations·filing 1986–1993
68Inventor score
Files withHITACHI MAXELL4
Top patents by PatentIndex Score
4 records- 0176US4741953AMagnetic recording mediumHITACHI MAXELL·Filed 1986·Granted May 3, 1988·43 cites·11 claims
- 0232US4895763AMagnetic recording medium and non-aqueous suspension of inorganic solid particles for use in the production of the sameHITACHI MAXELL·Filed 1987·Granted Jan 23, 1990·2 cites·7 claims
- 0324US5420738AAudio tape cassette comprising a felt pad and a magnetic tape having a specified back coat layerHITACHI MAXELL·Filed 1993·Granted May 30, 1995·0 cites·9 claims
- 0424US5357391AAudio tape cassette, audio tape and production method of the sameHITACHI MAXELL·Filed 1992·Granted Oct 18, 1994·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →