Inventor

Eigo Hashimoto

Inventor

Sakado, JP

Overview

6→

Patents

1984–2004

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein67%

G11BInformation storage based on relative movement between record carrier and transducer17%

H02KDynamo-electric machines17%

PatentTitleYear

6,677,692'Rotor of small-sized motor'2004 5,038,242'Magnetic head containing a barrier layer'1991 4,482,216'Solid state complementary electrochromic display devices'1984 4,465,341'All solid state complementary electrochromic display devices'1984 4,459,035'All solid-state complementary electrochromic display device'1984 4,451,498'Method for making oxide based electrochromic display devices'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2004Patents assigned to CITIZEN WATCH CO LTD (6)· patent assignee history

1984Based in Sakado, JP· patent location history

1991–2004Based in Tokorozawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CITIZEN WATCH CO LTD	6	1984–2004

Locations

Location	Patents	Span
Sakado, JP	4	1984
Tokorozawa, JP	2	1991–2004