Inventor

Masachika Yaguchi

Inventor

Yokohama, JP

Overview

11→

Patents

1976–1999

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere42%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein32%

F16LPipes5%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace5%

H01JElectric discharge tubes or discharge lamps5%

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

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

6,004,890'Heat-resisting material'1999 4,551,397'Zinc silicate phosphor and electron excited fluorescent display device using the phosphor'1985 4,473,518'Process for preparing a phosphor'1984 4,210,390'Electrochromic composition and electrochromic display device using same'1980 4,192,581'Electrochromic display device'1980 4,166,676'Method of turning off the display in electrochromic display devices'1979 4,047,803'Nematic liquid crystal compositions'1977 4,007,077'Liquid crystal cells'1977 3,988,054'Nematic liquid crystal compositions'1976 3,947,090'Electro-optical devices'1976 3,932,024'Electro-optical devices'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to DAINIPPON TORYO KK (8)· patent assignee history

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

1984–1985Patents assigned to KASEI OPTONIX (2)· patent assignee history

1984Patents assigned to MITSUBISHI CHEM IND (1)· patent assignee history

1984Based in Ebina, JP· patent location history

1985Based in Odawara, JP· patent location history

1999Patents assigned to MITSUBISHI CHEM CORP (1)· patent assignee history

1999Patents assigned to NIPPON PILLAR PACKING (1)· patent assignee history

1999Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DAINIPPON TORYO KK	8	1976–1980
KASEI OPTONIX	2	1984–1985
MITSUBISHI CHEM CORP	1	1999
MITSUBISHI CHEM IND	1	1984
NIPPON PILLAR PACKING	1	1999

Locations

Location	Patents	Span
Yokohama, JP	8	1976–1980
Tokyo, JP	1	1999
Odawara, JP	1	1985
Ebina, JP	1	1984