Inventor
Masamichi Maruta
Inventor
Kawagoe, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds30%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds22%
B41MPrinting, duplicating, marking, or copying processes9%
H05KPrinted circuits9%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h109%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C07DHeterocyclic compounds4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08LCompositions of macromolecular compounds4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
7,615,668'Method for producing 4,4,4-trifluorobutane-2-one'20095,840,369'Polyimide precursor composition, polyimide composition, process for the production of said polyimide precursor composition, and process for the production of said polymide composition'19985,686,525'Polyimide precursor composition and the production of said polyimide precursor composition'19975,478,918'Low stress polyimide composition and precursor composition solution of same'19955,098,971'Fluorine-containing thermosetting resin'19925,089,628'Fluorine-containing bismaleamic acids and bismaleimides useful for thermosetting resins'19924,990,689'2,4-bis(2-hydroxyhexafluoro-2-propyl)fluorobenzene and method of preparing same'19914,987,259'Process of preparing 2,2-bis(4-aminophenyl)-hexafluoropropane'19914,978,808'Method of producing 2,2-bis(3-nitro-4-hydroxyphenyl)hexafluoropropane'19904,910,348'Preparation of polyfluoroenolates'19904,647,695'Method of preparing trifluoroacetic acid from trichlorotrifluoroethane'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2009Patents assigned to CENTRAL GLASS CO LTD (11)· patent assignee history
1987–1998Based in Kawagoe, JP· patent location history
1992Patents assigned to HITACHI LTD (1)· patent assignee history
2009Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CENTRAL GLASS CO LTD | 11 | 1987–2009 |
| HITACHI LTD | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawagoe, JP | 10 | 1987–1998 |
| Saitama, JP | 1 | 2009 |