Inventor · disambiguated record
Masanori Takatsuka
Also filed as: TAKATSUKA MASANORI
6 granted patents·103 citations·filing 1987–1994
84Inventor score
Technology areasA63B
Files withYAMAHA CORP6
Top patents by PatentIndex Score
6 records- 0164US4811947AVibration absorber for a racketYAMAHA CORP·Filed 1987·Granted Mar 14, 1989·38 cites·3 claims
- 0255US5310179ATennis racketYAMAHA CORP·Filed 1992·Granted May 10, 1994·27 cites·16 claims
- 0345US4861029ARacket frameYAMAHA CORP·Filed 1988·Granted Aug 29, 1989·19 cites·9 claims
- 0438US5462274ATennis racket with longitudinal strings different in tensile force from transversal stringsYAMAHA CORP·Filed 1994·Granted Oct 31, 1995·13 cites·11 claims
- 0527US5470062ATennis racketYAMAHA CORP·Filed 1994·Granted Nov 28, 1995·3 cites·9 claims
- 0625US5211398AHollow tennis racket frame with matched frequency of vibrationYAMAHA CORP·Filed 1990·Granted May 18, 1993·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →