Inventor
Kazumasu Tsutsumi
Inventor
Hamamatsu, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer83%
H04SStereophonic systems17%
PatentTitleYear
6,831,657'Display control apparatus for displaying gain setting value in predetermined color hue'20044,959,742'Rotary head mounting device'19904,959,739'Magnetic recording and/or reproducing apparatus having tape loading and unloading mechanism'19904,868,693'Magnetic recording and/or reproducing apparatus'19894,527,206'Apparatus for controlling braking operation of a magnetic tape transport'19854,159,495'Opening and closing device for cassette holder of tape recorder or the like'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1985Patents assigned to NIPPON MUSICAL INSTRUMENTS MFG (2)· patent assignee history
1979–2004Based in Hamamatsu, JP· patent location history
1989–2004Patents assigned to YAMAHA CORP (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA CORP | 4 | 1989–2004 |
| NIPPON MUSICAL INSTRUMENTS MFG | 2 | 1979–1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 6 | 1979–2004 |