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Inventor

Naoki Arai

Inventor
Kanagawa, JP

Overview

21→
Patents
1976–2018
Patent span
Physics
Primary field (CPC G)

Patents· 21 as inventor

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

G03Cprimary
G03CPhotosensitive materials for photographic purposes29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%
H01FMagnets5%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications5%
Y10TTechnical subjects covered by former us classification5%
A01NPreservation of bodies of humans or animals or plants or parts thereof2%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages2%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for2%
A61KPreparations for medical, dental or toiletry purposes2%
PatentTitleYear
10,105,878Composite-material molding method and molding device20188,734,672'Ice crystallization inhibitor derived from basidiomycete'20146,149,504'Method and apparatus for profile mirror surface grinding'20006,000,128'Process of producing a multi-layered printed-coil substrate'19995,952,909'Multi-layered printed-coil substrate, printed-coil substrates and printed-coil components'19995,420,001'Silver halide photographic material for medical care and an image forming method therefor'19955,401,620'Silver halide photographic material for laser exposure'19955,368,994'Silver halide photographic material'19945,206,128'Silver halide photographic material'19935,198,327'Method of formation of photographic images'19935,194,367'Method for processing a silver halide photographic material'19935,043,259'Pre-fogged direct positive silver halide emulsions'19915,028,516'Method of forming an image comprising rapidly developing an infrared sensitized photographic material comprising surfactants'19914,945,036'Silver halide photosensitive material'19904,524,413'AC rectifier having semi-conductor active rectifying element'19854,513,360'DC-DC converter having energy storage inductance element connected in flywheel circuit'19854,357,654'DC--DC Converter'19824,356,541'Rectifier'19824,200,464'Silver halide color photographic materials containing a UV filter compound'19804,141,730'Multilayer color photographic materials'19793,954,478'Silver halide emulsion containing an alkenyl benzothiazolium salt as stabilizer'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1995Patents assigned to FUJI PHOTO FILM CO LTD (12)· patent assignee history
1976–1980Based in Minami-ashigara, JP· patent location history
1982–1985Patents assigned to IKENOUE TSUNEO (4)· patent assignee history
1982Based in Machida, JP· patent location history
1985Patents assigned to MICRON KIKI CO LTD (2)· patent assignee history
1985Patents assigned to STANLEY ELECTRIC CO LTD (2)· patent assignee history
1985Based in Tokyo, JP· patent location history
1990–2018Based in Kanagawa, JP· patent location history
1999Patents assigned to SUMITOMO SPEC METALS (2)· patent assignee history
1999Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD121976–1995
IKENOUE TSUNEO41982–1985
MICRON KIKI CO LTD21985
STANLEY ELECTRIC CO LTD21985
SUMITOMO SPEC METALS21999
Locations
LocationPatentsSpan
Kanagawa, JP101990–2018
Minami-ashigara, JP31976–1980
Osaka, JP21999
Tokyo, JP21985
Machida, JP21982