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Inventor

Keizo Asai

Inventor
Itami, JP

Overview

2→
Patents
1984–1989
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
B41MPrinting, duplicating, marking, or copying processes14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
C08LCompositions of macromolecular compounds14%
C22CAlloys14%
G03CPhotosensitive materials for photographic purposes14%
G03GElectrography14%
PatentTitleYear
4,828,611'High hardness sintered compact and process for producing the same'19894,431,762'Ultraviolet light screening resin composition'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Patents assigned to DAINIPPON INK & CHEMICALS (1)· patent assignee history
1984Based in Suita, JP· patent location history
1989Patents assigned to SUMITMO ELECTRIC IND LTD (1)· patent assignee history
1989Based in Itami, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAINIPPON INK & CHEMICALS11984
SUMITMO ELECTRIC IND LTD11989
Locations
LocationPatentsSpan
Itami, JP11989
Suita, JP11984