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Inventor

Akio Suwa

Inventor
Ichihara, JP

Overview

5→
Patents
1989–2010
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry18%
C07CAcyclic or carbocyclic compounds18%
C10GCracking hydrocarbon oils18%
H04NPictorial communication, e.g. television18%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds9%
C10LFuels not otherwise provided for9%
G06EOptical computing devices9%
PatentTitleYear
7,691,767'Catalytic cracking catalyst for heavy oil and production process for olefin and fuel oil'20106,476,179'Process for producing raw polycarbonate resin material and producing polycarbonate resin'20025,790,695'Image coding device for coding image signal to reduce the amount of the information in the image'19985,537,492'Picture compressing and restoring system and record pattern forming method for a spatial light modulator'19964,827,074'Method of thermally decomposing hydrocarbon and thermal decomposition tube'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2002Patents assigned to IDEMITSU PETROCHEMICAL CO (2)· patent assignee history
1989–2002Based in Ichihara, JP· patent location history
1996–1998Patents assigned to SHARP KK (2)· patent assignee history
1996–1998Based in Sakura, JP· patent location history
2010Patents assigned to IDEMITSU KOSAN CO (1)· patent assignee history
2010Patents assigned to RES ASS OF REFINERY INTEGRATIO (1)· patent assignee history
2010Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU PETROCHEMICAL CO21989–2002
SHARP KK21996–1998
IDEMITSU KOSAN CO12010
RES ASS OF REFINERY INTEGRATIO12010
Locations
LocationPatentsSpan
Ichihara, JP21989–2002
Sakura, JP21996–1998
Chiba, JP12010