Inventor
Fujito Ehara
Inventor
Yamaguchi, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds63%
C02FTreatment of water, waste water, sewage, or sludge13%
C08JWorking-up13%
Y10TTechnical subjects covered by former us classification13%
PatentTitleYear
RE040571'Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester'20087,300,998'Polyester resin and catalyst for polyester production, process for producing polyester resin with the catalyst, polyester resin obtained with the catalyst, and hollow molded container comprising the polyester resins'20076,649,731'Catalysts for polyester production, process for producing polyester, and polyester'20036,451,959'Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester'20026,346,070'Catalyst for polyester production, process for producing polyester using the catalyst, polyester obtained by the process, and uses of the polyester'20025,368,739'Activated carbon oxidized by air at near ambient temperatures for the control of ph and in water treatment applications'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to CALGON CARBON CORP (1)· patent assignee history
1994Based in Kanagawa, JP· patent location history
2002–2008Patents assigned to MITSUI CHEMICALS INC (5)· patent assignee history
2002Based in Kuga-gun, JP· patent location history
2003–2008Based in Yamaguchi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI CHEMICALS INC | 5 | 2002–2008 |
| CALGON CARBON CORP | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamaguchi, JP | 3 | 2003–2008 |
| Kuga-gun, JP | 2 | 2002 |
| Kanagawa, JP | 1 | 1994 |