Inventor
Tadatoshi Honda
Inventor
Hiratsuka, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds36%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry19%
C07DHeterocyclic compounds19%
Y02PClimate change mitigation technologies in the production or processing of goods11%
C01GCompounds containing metals not covered by subclasses c01d or c01f2%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
H01FMagnets2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
5,817,872'Copper catalyst for the hydration of nitrile and preparation thereof'19985,321,186'Method for preparing unsaturated compounds'19945,220,049'Method for preparing unsaturated compounds'19935,220,090'Method for preparing unsaturated compounds'19935,198,579'Catalyst for oxidizing methacrolein and method for preparing methacrylic acid'19935,175,308'Preparation process of indoles'19925,144,090'Method for preparing acrolein or methacrolein'19925,138,086'Method for preparing .alpha.,.beta.-unsaturated nitriles'19924,937,353'Preparation process for indoles'19904,916,236'Preparation of indoles by cyclization'19904,831,158'Preparation process indoles'19894,668,283'Magnetic powder and production process thereof'19874,495,362'Process for preparing alkyl nitroacetates'19854,476,310'Process for the preparation of indoles'19844,474,969'Preparation process of indole'19844,473,698'Process for the preparation of indoles'19844,464,539'Process for producing .alpha.,.beta.-unsaturated carboxylic acids or esters thereof'19844,436,916'Process for the preparation of indoles'19844,404,063'Method for the separation of indole'19834,345,101'Process for purifying an aqueous solution of acrylamide'19824,313,001'Process for purifying aqueous acrylamide solutions'19824,302,600'Process for the purification of an aqueous acrylamide solution'19814,032,572'Method for concentrating an acrylamide aqueous solution'19773,985,806'Process for continuously manufacturing acrylamide'19763,962,333'Process for the production of acrylamide and methacrylamide'19763,951,600'Acrylamide aqueous solution handling method'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1994Patents assigned to MITSUI TOATSU CHEMICALS (24)· patent assignee history
1976Patents assigned to ASANO SHIRO (1)· patent assignee history
1976Patents assigned to HONDA TADATOSHI (1)· patent assignee history
1976Patents assigned to TSUCHIYA RYOJI (1)· patent assignee history
1976–1977Based in Yokohama, JP· patent location history
1976Based in Totsuka-ku, JP· patent location history
1981–1985Based in Fujisawa, JP· patent location history
1982–1998Based in Kanagawa, JP· patent location history
1983–1992Based in Hiratsuka, JP· patent location history
1998Patents assigned to MITSUI CHEMICALS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUI TOATSU CHEMICALS | 24 | 1976–1994 |
| ASANO SHIRO | 1 | 1976 |
| HONDA TADATOSHIself | 1 | 1976 |
| MITSUI CHEMICALS INC | 1 | 1998 |
| TSUCHIYA RYOJI | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiratsuka, JP | 9 | 1983–1992 |
| Kanagawa, JP | 8 | 1982–1998 |
| Fujisawa, JP | 5 | 1981–1985 |
| Yokohama, JP | 3 | 1976–1977 |
| Totsuka-ku, JP | 1 | 1976 |