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Inventor

Hiromichi Nagata

Inventor
Higashi Murayama, JP

Overview

4→
Patents
1976–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G04Gprimary
G04GElectronic time-pieces33%
A44CPersonal adornments, e.g. jewellery17%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
G04BMechanically-driven clocks or watches17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
10,928,684Display device20214,389,006'Structure for securing a band to a watchcase'19833,977,176'Electronic watch structure'19763,971,207'Packing means for a watch'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to CITIZEN WATCH CO LTD (3)· patent assignee history
1976Based in Higashi Murayama, JP· patent location history
1983Based in Tanashi, JP· patent location history
2021Patents assigned to SHARP KK (1)· patent assignee history
2021Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIZEN WATCH CO LTD31976–1983
SHARP KK12021
Locations
LocationPatentsSpan
Higashi Murayama, JP21976
Sakai, JP12021
Tanashi, JP11983