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Inventor

Hiroyasu Saka

Inventor
Aichi, JP

Overview

3→
Patents
1991–2008
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.

C04Bprimary
C04BLime, magnesia33%
B22FWorking metallic powder11%
B23BTurning11%
B23CMilling11%
C23CCoating metallic material11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
7,320,716'Method for toughening surface of sintered material cutting tool and sintered material cutting tool having long life'20086,884,386'Method of toughening and modifying ceramic and ceramic products'20055,026,601'Zirconia-base sintered bodies having coating films'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to NGK SPARK PLUG CO (1)· patent assignee history
1991–2008Based in Aichi, JP· patent location history
2005Patents assigned to SINTO V CERAX LTD (1)· patent assignee history
2005Based in Kasugai, JP· patent location history
2008Patents assigned to JAPAN SCIENCE & TECH AGENCY (1)· patent assignee history
2008Patents assigned to SINTOKOGIO LTD (1)· patent assignee history
2008Patents assigned to UNIV NAGOYA NAT UNIV CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JAPAN SCIENCE & TECH AGENCY12008
NGK SPARK PLUG CO11991
SINTO V CERAX LTD12005
SINTOKOGIO LTD12008
UNIV NAGOYA NAT UNIV CORP12008
Locations
LocationPatentsSpan
Aichi, JP21991–2008
Kasugai, JP12005