Inventor

Hiromi Kanai

Inventor

Mobara, JP

Overview

13→

Patents

1976–1994

Patent span

Electricity

Primary field (CPC H)

Patents· 13 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps38%

H04NPictorial communication, e.g. television19%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation19%

G09FDisplaying6%

H05KPrinted circuits6%

H10DInorganic electric semiconductor devices6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

PatentTitleYear

D0345308'Clock'1994 5,214,458'Display apparatus'1993 4,607,168'Photosensor array devices'1986 4,482,804'Photosensor array wherein each photosensor comprises a plurality of amorphous silicon p-i-n diodes'1984 4,471,375'Photo-sensor array apparatus for matrix operation'1984 4,426,548'Multilayer wiring structure'1984 4,408,230'Photosensor array device'1983 4,221,990'Phosphor screen for post-focusing type color picture tube'1980 4,205,254'Electron gun for a cathode ray tube'1980 4,168,450'Slot type shadow mask'1979 4,052,643'Electron guns for use in cathode ray tubes'1977 4,045,224'Method for making phosphor screen for black matrix type color picture tube using two light sources'1977 3,987,329'Electron gun with first of plurality of independent lens systems having greater focusing power'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1986Patents assigned to HITACHI LTD (11)· patent assignee history

1976–1980Based in Mobara, JP· patent location history

1983–1986Based in Chiba, JP· patent location history

1993Patents assigned to MATSUBARA DENKI KOGYO KABUSHIK (1)· patent assignee history

1993–1994Based in Tokyo, JP· patent location history

1994Patents assigned to MATSUBARA DENKI KOGYO KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	11	1976–1986
MATSUBARA DENKI KOGYO KABUSHIK	1	1993
MATSUBARA DENKI KOGYO KK	1	1994

Locations

Location	Patents	Span
Mobara, JP	6	1976–1980
Chiba, JP	5	1983–1986
Tokyo, JP	2	1993–1994