Inventor
Mitsuhisa Tamura
Inventor
Chiba, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds42%
C07DHeterocyclic compounds16%
C07BGeneral methods of organic chemistry10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
PatentTitleYear
6,521,806'Process for producing 1-hexene'20036,127,301'Catalyst system and method for reaction of olefin'20005,856,610'Process for producing ethylene-.alpha.-olefin copolymers'19995,840,650'Process of making a catalyst for producing oxirane compounds'19985,731,487'Process for producing olefin having a terminal double bond'19985,723,637'Process for producing propylene oxide'19985,298,667'Process for producing phenol and methyl ethyl ketone'19945,059,736'Process for production of sec-butylbenzene'19915,004,843'Process for producing allylic alcohols'19914,595,701'Process for producing aliphatic alcohols'19864,547,586'Preparation of 2-isopropenyl-or 2-isopropylidenyl-3-hexenoates from chrysanthemic acid esters'19854,456,562'Process for producing nitriles'19844,438,286'Substituted esters and alcohols'19844,340,544'Process for producing 2-(2\'-methyl-1\'-propenyl)-4-methyltetrahydropyran'19824,312,717'Process for producing 2-(2\'-methyl-1\'-propenyl)-4-methyltetrahydropyran'19824,071,569'Process for producing phenols'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–2003Patents assigned to SUMITOMO CHEMICAL CO (15)· patent assignee history
1978–1991Based in Osaka, JP· patent location history
1982–1986Based in Ibaraki, JP· patent location history
1986Patents assigned to AGENCY IND SCIENCE TECHN (1)· patent assignee history
1991–2003Based in Chiba, JP· patent location history
1994–1999Based in Ichihara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO CHEMICAL CO | 15 | 1978–2003 |
| AGENCY IND SCIENCE TECHN | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 4 | 1991–2003 |
| Ichihara, JP | 4 | 1994–1999 |
| Osaka, JP | 4 | 1978–1991 |
| Ibaraki, JP | 4 | 1982–1986 |