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Inventor

Ken-ichi Kishi

Inventor
Tokyo, JP

Overview

11→
Patents
1977–1998
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G03Gprimary
G03GElectrography33%
G03CPhotosensitive materials for photographic purposes17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
C04BLime, magnesia11%
C07CAcyclic or carbocyclic compounds6%
C07DHeterocyclic compounds6%
E04BGeneral building constructions6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
5,705,304'Photo-removable electrophotographic toners using phenyl isopropenyl ketone'19985,066,560'Process for producing toner for electrophotography'19914,983,488'Process for producing toner for electrophotography'19914,675,268'Process for transfer of a toner image utilizing a magnetic toner containing a binder resin and having gradual softening characteristics'19874,585,723'Developer for electrostatic latent image and method of forming image'19864,579,802'Method of fixing toner image'19864,482,629'Light-sensitive silver halide color photographic material'19844,122,231'Noncombustible, smokeless building composite material and its method of manufacture'19784,078,028'Method for manufacture of noncombustible, smokeless building composite material'19784,010,036'Lith-type silver halide photosensitive material containing a p-benzoquinone derivative'19774,010,034'Method for adjusting the bromide ion concentration in a photographic processing solution'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1987Patents assigned to KONISHIROKU PHOTO IND (6)· patent assignee history
1977Based in Hino, JP· patent location history
1978Patents assigned to SHOWA VERMICULITE KK (2)· patent assignee history
1978–1998Based in Tokyo, JP· patent location history
1984–1987Based in Hachioji, JP· patent location history
1986Based in Sagamihara, JP· patent location history
1991Patents assigned to HITACHI CHEMICAL CO LTD (2)· patent assignee history
1991Based in Hitachi, JP· patent location history
1998Patents assigned to KAZUYUKI SIGITA (1)· patent assignee history
1998Patents assigned to TOYO INK MFG CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND61977–1987
HITACHI CHEMICAL CO LTD21991
SHOWA VERMICULITE KK21978
KAZUYUKI SIGITA11998
TOYO INK MFG CO11998
Locations
LocationPatentsSpan
Tokyo, JP31978–1998
Hitachi, JP21991
Hachioji, JP21984–1987
Sagamihara, JP21986
Hino, JP11977