Inventor
Ichiro Horikoshi
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers25%
G04CElectromechanical clocks or watches19%
G10KSound-producing devices19%
G04BMechanically-driven clocks or watches13%
G04GElectronic time-pieces13%
H02NElectric machines not otherwise provided for6%
Y02TClimate change mitigation technologies related to transportation6%
PatentTitleYear
5,254,899'Micro-traveller with ultrasonic motor'19934,445,113'Small type acoustic device'19844,389,123'Electronic alarm watch'19834,358,642'Electro-magnetic type electric acoustic transducer'19824,216,650'Alarm wristwatch'19804,197,697'Alarm watch'19804,159,472'Electronic buzzer'19794,147,899'Broadband electromagnetic sound source with differently tuned diaphragms'19794,090,041'Electromagnetic sonic generator for an alarm'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1984Patents assigned to SEIKO INSTR & ELECTRONICS (8)· patent assignee history
1978–1993Based in Tokyo, JP· patent location history
1993Patents assigned to SEIKO INSTR INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO INSTR & ELECTRONICS | 8 | 1978–1984 |
| SEIKO INSTR INC | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 9 | 1978–1993 |