Inventor
Daisuke Iri
Inventor
Nishitokyo, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G04Cprimary
G04CElectromechanical clocks or watches50%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters36%
G04GElectronic time-pieces7%
H02KDynamo-electric machines7%
PatentTitleYear
11,086,273Drive circuit for two-coil step motor202110,754,299Electronic watch202010,545,459Drive circuit for two-coil step motor, two-coil step motor, and electronic watch using these202010,331,084Electronic watch201910,268,162Electronic watch201910,197,972Drive circuit for two-coil step motor20199,690,259'Electronic timepiece'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2021Patents assigned to CITIZEN WATCH CO LTD (7)· patent assignee history
2017–2019Patents assigned to CITIZEN HOLDINGS CO LTD (2)· patent assignee history
2017–2021Based in Nishitokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CITIZEN WATCH CO LTD | 7 | 2017–2021 |
| CITIZEN HOLDINGS CO LTD | 2 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nishitokyo, JP | 7 | 2017–2021 |