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Inventor

Hideji Yamamoto

Inventor
Hiroshima, JP

Overview

3→
Patents
1983–1996
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C01Gprimary
C01GCompounds containing metals not covered by subclasses c01d or c01f18%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds18%
G11BInformation storage based on relative movement between record carrier and transducer18%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry9%
B29CShaping or joining of plastics9%
C23FNon-mechanical removal of metallic material from surface9%
C30BSingle-crystal growth9%
H01JElectric discharge tubes or discharge lamps9%
PatentTitleYear
5,569,445'Fine acicular .alpha.-ferric oxide and production thereof'19964,664,767'Plasma treating method and apparatus therefor'19874,414,196'Method of producing single crystalline, acicular .alpha.-ferric oxide'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1996Patents assigned to SAKAI CHEMICAL INDUSTRY CO (2)· patent assignee history
1983Based in Asahi-machi, JP· patent location history
1987Patents assigned to HITACHI LTD (1)· patent assignee history
1987Based in Kudamatsu, JP· patent location history
1996Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAKAI CHEMICAL INDUSTRY CO21983–1996
HITACHI LTD11987
Locations
LocationPatentsSpan
Hiroshima, JP11996
Kudamatsu, JP11987
Asahi-machi, JP11983