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Inventor

Yoshio Takizawa

Inventor
Fussa, JP

Overview

28→
Patents
1986–2007
Patent span
Physics
Primary field (CPC G)

Patents· 28 as inventor

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

G03Gprimary
G03GElectrography37%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification9%
C25DProcesses for the electrolytic or electrophoretic production of coatings7%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%
C22CAlloys6%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments4%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact4%
B29CShaping or joining of plastics2%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%
PatentTitleYear
7,162,180'Elastic roller'20076,067,434'Developing roller and developing apparatus'20006,058,285'Gloss and image forming apparatus'20005,903,808'Developing roller and developing apparatus'19995,900,334'Hydrogen occluding alloy'19995,878,313'Developing roller and apparatus'19995,697,027'Developing roller employing an elastic layer between conductive shaft and outer conductive layer and developing apparatus'19975,666,626'Apparatus for developing electrostatic latent images using developing roller having specific ionization potential'19975,634,989'Amorphous nickel alloy having high corrosion resistance'19975,602,712'Contact charging method and apparatus'19975,565,968'Developing roller, and method and apparatus for developing latent images using the roller'19965,529,642'Nickel-based alloy with chromium, molybdenum and tantalum'19965,475,473'Electric charging member and electric charging apparatus'19955,434,653'Developing roller and apparatus'19955,320,921'Electrophotographic photoreceptor'19945,270,140'Bisstyryl compound and the electrophotographic photoreceptors relating thereto'19935,013,625'Photoreceptor'19914,940,644'Toner for development of electrostatic images and image forming method by use thereof'19904,935,327'Polyester toner with antioxidant for development of electrostatic latent image'19904,931,375'Powdered electrostatic image developing toner'19904,879,185'Heat transfer material'19894,861,550'Corrosion-resistant nickel-base alloy having high resistance to stress corrosion cracking'19894,826,578'Method of producing heat-transfer material'19894,824,530'Method of producing heat-transfer material'19894,795,689'Electrostatic image developing toner for use in heat-roller fixing'19894,780,373'Heat-transfer material'19884,579,800'Azo photoreceptor'19864,576,886'Azo photoreceptor'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1994Patents assigned to KONISHIROKU PHOTO IND (9)· patent assignee history
1988–1989Patents assigned to MITSUBISHI METAL CORP (4)· patent assignee history
1988–1989Based in Hasuda, JP· patent location history
1989–1994Based in Hachioji, JP· patent location history
1990–2007Based in Tokyo, JP· patent location history
1995–2007Patents assigned to BRIDGESTONE CORP (11)· patent assignee history
1995–2000Based in Fussa, JP· patent location history
1996–1999Patents assigned to MITSUBISHI MATERIALS CORP (3)· patent assignee history
1996–1999Based in Omiya, JP· patent location history
1997Patents assigned to HASHIMOTO KOJI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRIDGESTONE CORP111995–2007
KONISHIROKU PHOTO IND91986–1994
MITSUBISHI METAL CORP41988–1989
MITSUBISHI MATERIALS CORP31996–1999
HASHIMOTO KOJI11997
Locations
LocationPatentsSpan
Fussa, JP71995–2000
Hachioji, JP61989–1994
Hasuda, JP41988–1989
Omiya, JP31996–1999
Tokyo, JP21990–2007