Inventor
Masayuki Otake
Inventor
Yokohama, 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 compounds34%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry29%
C07DHeterocyclic compounds11%
C01BNon-metallic elements6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C08JWorking-up3%
C08LCompositions of macromolecular compounds3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management3%
PatentTitleYear
5,651,994'Elastic paving material'19975,382,733'Process for preparing naphthalene or derivative thereof'19955,047,561'Process for producing a lactone'19914,966,990'Process for producing methacrylic acid and/or methacrylic acid ester'19904,731,454'Process for producing lactams'19884,560,807'Process for the production of dimethyl ether useful as a propellant'19854,520,127'Oxidation catalyst composition'19854,472,527'Process for preparing an oxidation catalyst composition'19844,414,133'Catalytic composition'19834,337,173'Solid-solution type crystalline oxides and their precursors'19824,335,258'Process for producing methacrylic acid'19824,146,574'Process for preparing heteropoly-acids'19794,061,673'Manufacture of methacrylic acid'19774,018,816'Preparation of methacrylates'19774,016,200'Process for preparing carboxylic acid esters from toluene and xylene'19773,959,352'Process for preparing a carboxylic ester'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1995Patents assigned to MITSUBISHI CHEM IND (15)· patent assignee history
1976–1997Based in Tokyo, JP· patent location history
1977–1995Based in Yokohama, JP· patent location history
1988Based in Kurashiki, JP· patent location history
1997Patents assigned to BRIDGESTONE SPORTS CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI CHEM IND | 15 | 1976–1995 |
| BRIDGESTONE SPORTS CO LTD | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 11 | 1977–1995 |
| Tokyo, JP | 4 | 1976–1997 |
| Kurashiki, JP | 1 | 1988 |