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Inventor

Ryosuke Sako

Inventor
Hiratsuka, JP

Overview

10→
Patents
1988–2013
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

F28Fprimary
F28FDetails of heat-exchange and heat-transfer apparatus, of general application21%
C09DCoating compositions, e.g. paints, varnishes or lacquers18%
C23CCoating metallic material12%
B05DProcesses for applying fluent materials to surfaces, in general9%
Y10TTechnical subjects covered by former us classification9%
C08LCompositions of macromolecular compounds6%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%
G06KGraphical data reading6%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
PatentTitleYear
8,498,912'Charge managing system, image forming apparatus, charge managing server, and image forming method'20138,156,020'Charge managing system, image forming apparatus, charge managing server, and image forming method'20126,736,908'Composition and process for treating metal surfaces and resulting article'20046,300,395'Aqueous hydrophilization treatment composition and method for aluminum-containing metal material'20015,538,078'Aluminum-containing metal composite material and process for producing same'19965,201,119'Method of manufacturing an aluminum heat exchanger'19935,070,938'Aluminum heat exchanger and method of manufacturing same'19914,830,101'Aluminum heat exchanger and method for producing aluminum heat exchanger'19894,783,224'Method for hydrophilic treatment of aluminum using an amphoteric polymer'19884,726,886'Aluminum heat exchanger coating'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1996Patents assigned to NIHON PARKERIZING (6)· patent assignee history
1988–1993Based in Hiratsuka, JP· patent location history
1989–1996Patents assigned to NIPPON DENSO CO (4)· patent assignee history
1989Based in Ichikawa, JP· patent location history
1996–2001Based in Tokyo, JP· patent location history
2004Based in Kariya, Aichi-pref., JP· patent location history
2012–2013Patents assigned to HANADA KAZUMI (2)· patent assignee history
2012–2013Patents assigned to KISHI CHIKARA (2)· patent assignee history
2012–2013Patents assigned to MURAKAWA KENTAROH (2)· patent assignee history
2012–2013Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIHON PARKERIZING61988–1996
NIPPON DENSO CO41989–1996
HANADA KAZUMI22012–2013
KISHI CHIKARA22012–2013
MURAKAWA KENTAROH22012–2013
Locations
LocationPatentsSpan
Hiratsuka, JP31988–1993
Kanagawa, JP22012–2013
Tokyo, JP21996–2001
Kariya, Aichi-pref., JP12004
Ichikawa, JP11989