Inventor · disambiguated record
Kazumasu Tsutsumi
Also filed as: TSUTSUMI KAZUMASU
6 granted patents·62 citations·filing 1978–2002
81Inventor score
Top patents by PatentIndex Score
6 records- 0184US6831657B2Display control apparatus for displaying gain setting value in predetermined color hueYAMAHA CORP·Filed 2002·Granted Dec 14, 2004·36 cites·15 claims
- 0259US4868693AMagnetic recording and/or reproducing apparatusYAMAHA CORP·Filed 1988·Granted Sep 19, 1989·11 cites·9 claims
- 0351US4159495AOpening and closing device for cassette holder of tape recorder or the likeNIPPON MUSICAL INSTRUMENTS MFG·Filed 1978·Granted Jun 26, 1979·7 cites·14 claims
- 0437US4959742ARotary head mounting deviceYAMAHA CORP·Filed 1988·Granted Sep 25, 1990·4 cites·7 claims
- 0537US4959739AMagnetic recording and/or reproducing apparatus having tape loading and unloading mechanismYAMAHA CORP·Filed 1989·Granted Sep 25, 1990·4 cites·6 claims
- 0628US4527206AApparatus for controlling braking operation of a magnetic tape transportNIPPON MUSICAL INSTRUMENTS MFG·Filed 1981·Granted Jul 2, 1985·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Kazumasu Tsutsumi 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 →