Inventor

Hisato Hiraishi

Inventor
Tokyo, JP

Overview

14→
Patents
1989–2002
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

B41Jprimary
B41JTypewriters26%
H10NElectric solid-state devices not otherwise provided for21%
G04CElectromechanical clocks or watches16%
G04BMechanically-driven clocks or watches11%
G04GElectronic time-pieces5%
H03KPulse technique5%
H05BElectric heating5%
H10KOrganic electric solid-state devices5%
Y10TTechnical subjects covered by former us classification5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2002Patents assigned to CITIZEN WATCH CO LTD (14)· patent assignee history
1989Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history
1989Patents assigned to MITI MINI INT TRADE & IND (1)· patent assignee history
1989Based in Tokorozawa, JP· patent location history
1994–2002Based in Tokyo, JP· patent location history
1994Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIZEN WATCH CO LTD141989–2002
AGENCY IND SCIENCE TECHN11989
MITI MINI INT TRADE & IND11989
Locations
LocationPatentsSpan
Tokyo, JP121994–2002
Saitama, JP11994
Tokorozawa, JP11989