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Inventor

Kiyotaka Igarashi

Inventor
Tokyo, JP

Overview

11→
Patents
1993–2010
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G04Cprimary
G04CElectromechanical clocks or watches59%
G04GElectronic time-pieces29%
G01DMeasuring not specially adapted for a specific variable6%
H02JElectric power networks6%
PatentTitleYear
RE041686'Electronic watch'20107,436,737'Electric timepiece'20087,154,816'Electronic watch and electronic watch control method'20066,819,634'Electronic clock'20046,483,781'Electronic watch and drive method therefor'20026,072,752'Hand display-type electronic timepiece'20006,060,862'Rechargeable electronic apparatus'20006,021,097'Electronic watch provided with an electrical generator'20005,943,301'Electronic timepiece with power generating function'19995,889,736'Electronic watch'19995,237,544'Analog world watch'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2006Patents assigned to CITIZEN WATCH CO LTD (9)· patent assignee history
1993–2010Based in Tokyo, JP· patent location history
2004Based in Nishitokyo, JP· patent location history
2008–2010Patents assigned to CITIZEN HOLDINGS CO LTD (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIZEN WATCH CO LTD91993–2006
CITIZEN HOLDINGS CO LTD22008–2010
Locations
LocationPatentsSpan
Tokyo, JP101993–2010
Nishitokyo, JP12004