Inventor
Haruyuki Morikawa
Inventor
Chiba, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds35%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
C05CNitrogenous fertilisers10%
Y02PClimate change mitigation technologies in the production or processing of goods10%
B01DSeparation5%
C05GMixtures of fertilisers covered individually by different subclasses of class c055%
C07BGeneral methods of organic chemistry5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
10,604,477Urea manufacturing method and urea manufacturing apparatus202010,501,407Urea manufacturing method and urea manufacturing apparatus201910,173,972Method for producing high-purity aqueous urea solution in urea production process20197,582,237'Process for preparing granular urea product'20097,153,693'Method and apparatus for determining urea concentration'20065,965,071'Process for preparing granular urea'19994,504,679'Process for synthesizing urea'19854,321,410'Method of stripping unreacted materials in urea synthesis process'19824,311,856'Process for synthesizing urea'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2020Patents assigned to TOYO ENGINEERING CORP (8)· patent assignee history
1982Patents assigned to MITSUI TOATSU CHEMICALS (1)· patent assignee history
1982–2020Based in Chiba, JP· patent location history
1982–1985Based in Funabashi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYO ENGINEERING CORP | 8 | 1982–2020 |
| MITSUI TOATSU CHEMICALS | 1 | 1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 7 | 1982–2020 |
| Funabashi, JP | 2 | 1982–1985 |