Inventor
Hisashi Fujieda
Inventor
Chiba, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G04Bprimary
G04BMechanically-driven clocks or watches60%
H01HElectric switches20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
9,235,193'Temperature compensation-type balance, timepiece movement, mechanical timepiece and manufacturing method of temperature compensation-type balance'20169,098,067'Escapement, timepiece movement and timepiece'20158,303,170'Bearing structure and watch equipped with the same'20127,405,373'Switch structure and electronic device'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2016Patents assigned to SEIKO INSTR INC (4)· patent assignee history
2008–2016Based in Chiba, JP· patent location history
2012Patents assigned to FUJIEDA HISASHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEIKO INSTR INC | 4 | 2008–2016 |
| FUJIEDA HISASHIself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 4 | 2008–2016 |