Inventor
Yutaka Tamai
Inventor
Hamamatsu, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Gprimary
G01GWeighing31%
G10HElectrophonic musical instruments31%
G10CPianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards19%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors6%
LOC106%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
10,323,977Support structure for a combination weighing device20199,417,115'Combination weighing device with imaging system'2016D0755065'Multihead weigher'20169,194,735'Combination weighing device initialization'20157,064,281'Combination weighing device'20066,545,230'Combinational weighing or counting apparatus'20035,542,332'Keyboard apparatus for electronic musical instrument'19965,406,875'Keyboard apparatus for electronic musical instrument'19955,079,985'Keyboard apparatus for electronic keyboard musical instrument'19925,036,743'Keyboard device for electronic musical instrument'19914,890,533'Key device for electronic keyboard musical instrument'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1996Patents assigned to KAWAI MUSICAL INSTR MFG CO (5)· patent assignee history
1990–1996Based in Hamamatsu, JP· patent location history
2003–2019Patents assigned to ISHIDA SEISAKUSHO (6)· patent assignee history
2003Based in Nishikamo-gun, JP· patent location history
2006Based in Shiga, JP· patent location history
2015–2019Based in Ritto, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ISHIDA SEISAKUSHO | 6 | 2003–2019 |
| KAWAI MUSICAL INSTR MFG CO | 5 | 1990–1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 5 | 1990–1996 |
| Ritto, JP | 4 | 2015–2019 |
| Shiga, JP | 1 | 2006 |
| Nishikamo-gun, JP | 1 | 2003 |