Inventor
Katsunori Watanabe
Inventor
Yamato, JP
Overview
Patents· 18 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography47%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments25%
B29CShaping or joining of plastics6%
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. inserts6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
C07CAcyclic or carbocyclic compounds3%
C07DHeterocyclic compounds3%
PatentTitleYear
5,589,202'Apparatus for molding polyurethane foam'19965,464,582'Method for molding polyurethane foam under subatmospheric pressures'19954,716,091'Electrophotographic member with silicone graft copolymer in surface layer'19874,555,069'Yarn winding apparatus and method'19854,554,231'Electrophotographic photosensitive member'19854,500,619'Electrophotographic photosensitive member with oxadiazole containing disazo compound'19854,487,824'Electrophotographic photosensitive member containing a halogen substituted hydrazone'19844,485,159'Laminate type electrophotographic light-sensitive material'19844,471,040'Electrophotographic disazo photosensitive member'19844,423,129'Electrophotographic member having layer containing methylidenyl hydrazone compound'19834,419,428'Electrophotographic light-sensitive media having a dis-azo compound'19834,418,133'Disazo photoconductive material and electrophotographic photosensitive member having disazo pigment layer'19834,413,045'Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer'19834,399,206'Disazo electrophotographic photosensitive member'19834,390,611'Electrophotographic photosensitive azo pigment containing members'19834,359,515'Disazo electrophotographic light-sensitive media'19824,359,513'Electrophotographic light-sensitive disazo compounds having diphenylacrylonitrile group'19824,356,243'Electrophotographic media with benzoxazole group containing dis-azo compound'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1985Patents assigned to COPYER CO (8)· patent assignee history
1982–1984Based in Tokyo, JP· patent location history
1983–1987Patents assigned to CANON KK (11)· patent assignee history
1983Patents assigned to ISHIKAWA SHOZO (1)· patent assignee history
1983Patents assigned to KATAGIRI KAZUHARU (1)· patent assignee history
1983–1987Based in Yamato, JP· patent location history
1984Based in Toride, JP· patent location history
1985Based in Shiga, JP· patent location history
1995–1996Patents assigned to TOYODA GOSEI KK (2)· patent assignee history
1995–1996Based in Inazawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 11 | 1983–1987 |
| COPYER CO | 8 | 1982–1985 |
| TOYODA GOSEI KK | 2 | 1995–1996 |
| ISHIKAWA SHOZO | 1 | 1983 |
| KATAGIRI KAZUHARU | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamato, JP | 8 | 1983–1987 |
| Tokyo, JP | 5 | 1982–1984 |
| Inazawa, JP | 2 | 1995–1996 |
| Shiga, JP | 1 | 1985 |
| Toride, JP | 1 | 1984 |