Inventor

Minoru Hosokawa

Inventor

Suwa, JP

Overview

15→

Patents

1976–1991

Patent span

Physics

Primary field (CPC G)

Patents· 15 as inventor

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

G04Cprimary

G04CElectromechanical clocks or watches35%

G09GArrangements or circuits for control of indicating devices using static means to present variable information20%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%

G11BInformation storage based on relative movement between record carrier and transducer10%

G06FElectric digital data processing5%

H01HElectric switches5%

H04NPictorial communication, e.g. television5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

5,038,329'Step motor control mechanism for electronic timepiece'1991 4,715,725'Step motor control mechanism for electronic timepiece'1987 4,675,224'Magnetic recording medium'1987 4,648,691'Liquid crystal display device having diffusely reflective picture electrode and pleochroic dye'1987 4,599,005'Step motor control mechanism for electronic timepiece'1986 4,575,777'Magnetic recording and reproducing head'1986 4,522,507'Step motor control mechanism for electronic timepiece'1985 4,429,305'Liquid crystal display system'1984 4,427,266'Driving system for matrix liquid crystal display with nonlinear-switches'1984 4,393,380'Liquid crystal display systems'1983 4,370,065'Step motor control mechanism for electronic timepiece'1983 4,212,156'Step motor control mechanism for electronic timepiece'1980 4,192,131'Step motor control mechanism for electronic timepiece'1980 4,044,346'Driving method for liquid crystal display'1977 3,963,906'Compact electronic calculator'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to SUWA SEIKOSHA KK (10)· patent assignee history

1976–1991Based in Suwa, JP· patent location history

1986–1991Patents assigned to SEIKO EPSON CORP (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SUWA SEIKOSHA KK	10	1976–1986
SEIKO EPSON CORP	5	1986–1991

Locations

Location	Patents	Span
Suwa, JP	15	1976–1991