Inventor
Kazutoshi Wakamatsu
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches64%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%
B62DMotor vehicles9%
H02NElectric machines not otherwise provided for9%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
PatentTitleYear
10,981,516Vehicle speaker disposition structure20214,672,257'Piezoelectric latching actuator having an impact receiving projectile'19874,622,484'Piezoelectric relay with a piezoelectric longitudinal effect actuator'19864,499,442'Transfer-type electromagnetic relay comprising a permanent magnet under a fixed contact stud'19854,342,016'Transfer-type electromagnetic relay comprising a coil around a housing of the relay and an armature carrying movable contacts at both ends'19824,075,587'Multicontact sealed electromagnetic coordinate selection device'19783,996,541'Electromagnetic switch'19763,962,659'Electromagnetic switch'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1982Patents assigned to NIPPON ELECTRIC CO (3)· patent assignee history
1976–1987Based in Tokyo, JP· patent location history
1978Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1985–1987Patents assigned to NEC CORP (3)· patent assignee history
2021Patents assigned to MAZDA MOTOR (1)· patent assignee history
2021Based in Hiroshima, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 3 | 1985–1987 |
| NIPPON ELECTRIC CO | 3 | 1976–1982 |
| MAZDA MOTOR | 1 | 2021 |
| NIPPON TELEGRAPH & TELEPHONE | 1 | 1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 7 | 1976–1987 |
| Hiroshima, JP | 1 | 2021 |