Inventor
Katsuyoshi Yamasoe
Inventor
Chiba, JP
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers29%
C23CCoating metallic material25%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application13%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis6%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact6%
C08LCompositions of macromolecular compounds4%
B05DProcesses for applying fluent materials to surfaces, in general2%
B23KSoldering or unsoldering2%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
C10MLubricating compositions2%
PatentTitleYear
6,572,983'Method for treating metallic surfaces'20036,482,274'Nonchromate metallic surface treating agent for PCM use, method for PCM surface treatment, and treated PCM steel panel'20026,475,300'Non-chromate metallic surface-treating agent, method for surface treatment, and treated steel material'20026,447,589'Method of producing a water-base resin composition for rust-preventive coating'20026,419,731'Nonchromate rust preventive agent for aluminum, method of rust prevention and rust-preventive aluminum products'20026,241,830'Non-chromium anticorrosive treatment'20016,059,174'Flux composition for brazing of aluminum material and method for brazing of aluminum material'20005,614,585'Hydrophilic surface-treating aqueous solution and hydrophilic surface-treating method'19975,527,854'Hydrophilic surface-treating aqueous solution and hydrophilic surface-treating method using polyglutamic acid'19965,494,705'Hydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating film'19965,478,872'Hydrophilic surface treating aqueous solution, hydrophilic surface treating method and hydrophilic surface treating film'19955,399,192'Chemicals and method for forming cured coat having lubricating and hydrophilic properties'19955,009,962'Surface treatment chemical and bath for forming hydrophilic coatings and method of surface-treating aluminum members'19914,973,359'Surface treatment chemical and bath for forming hydrophilic coatings and method of surface-treating aluminum members'19904,908,075'Surface treatment chemical for forming a hydrophilic coating'19904,886,616'Aluminum surface cleaning agent'19894,851,148'Method of controlling an aluminum surface cleaning composition'19894,828,616'Surface treatment chemical for forming a hydrophilic coating'19894,728,456'Aluminum surface cleaning agent'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1989Patents assigned to AMCHEM PROD (3)· patent assignee history
1988–2003Based in Chiba, JP· patent location history
1989–2003Patents assigned to NIPPON PAINT CO LTD (16)· patent assignee history
1989–1997Based in Yotsukaido, JP· patent location history
1991Based in Yotsukaidou, JP· patent location history
2000Patents assigned to SHOWA ALUMINUM CORP (1)· patent assignee history
2000–2002Based in Sakura, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON PAINT CO LTD | 16 | 1989–2003 |
| AMCHEM PROD | 3 | 1988–1989 |
| SHOWA ALUMINUM CORP | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 7 | 1988–2003 |
| Yotsukaido, JP | 7 | 1989–1997 |
| Sakura, JP | 4 | 2000–2002 |
| Yotsukaidou, JP | 1 | 1991 |