Inventor
Hidetsugu Fujii
Inventor
Chiba, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry23%
B01DSeparation13%
Y02PClimate change mitigation technologies in the production or processing of goods10%
C01BNon-metallic elements6%
C01CAmmonia6%
C05CNitrogenous fertilisers6%
B05CApparatus for applying fluent materials to surfaces, in general3%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]3%
PatentTitleYear
7,270,689'Reformer'20077,201,889'Fuel reforming method and system'20076,203,730'Method for granulation and granulator'20016,200,540'Urea synthesis apparatus'20016,093,850'Process for the synthesis of urea and equipment therefor'20006,060,125'Method and apparatus for controlling opening and closing speed of dispensing gun valve mechanism'20005,965,071'Process for preparing granular urea'19995,936,122'Urea synthesis process and apparatus therefor'19994,864,059'Process for producing urea'19894,504,679'Process for synthesizing urea'19854,365,089'Synthesis of urea'19824,354,040'Process for synthesizing urea'19824,321,410'Method of stripping unreacted materials in urea synthesis process'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2007Patents assigned to TOYO ENGINEERING CORP (9)· patent assignee history
1982Patents assigned to MITSUI TOATSU CHEMICALS (2)· patent assignee history
1982–1985Based in Mobara, JP· patent location history
1989–2007Based in Chiba, JP· patent location history
2000Patents assigned to NORDSON CORP (1)· patent assignee history
2000Based in Tokyo, JP· patent location history
2001–2007Based in Sakura, JP· patent location history
2007Patents assigned to K E M CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOYO ENGINEERING CORP | 9 | 1982–2007 |
| MITSUI TOATSU CHEMICALS | 2 | 1982 |
| K E M CORP | 1 | 2007 |
| NORDSON CORP | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 6 | 1989–2007 |
| Mobara, JP | 4 | 1982–1985 |
| Sakura, JP | 2 | 2001–2007 |
| Tokyo, JP | 1 | 2000 |