Inventor

Kazuo Hiraoka

Inventor
Chiba, JP

Overview

17→
Patents
1994–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 17 as inventor

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

B29Cprimary
B29CShaping or joining of plastics39%
B23KSoldering or unsoldering14%
B29BPreparation or pretreatment of the material to be shaped4%
C22CAlloys4%
D05BSewing4%
D05DIndexing scheme associated with subclasses d05b and d05c, relating to sewing, embroidering and tufting4%
D06HMarking, inspecting, seaming or severing textile materials4%
G01BMeasuring length, thickness or similar linear dimensions4%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2003Patents assigned to SUMITOMO HEAVY INDUSTRIES (11)· patent assignee history
1994–2003Based in Chiba, JP· patent location history
1998–2017Based in Ibaraki, JP· patent location history
2003Patents assigned to DAIHEN CORP (1)· patent assignee history
2003Patents assigned to ISHIKAWAJIMA HARIMA HEAVY IND (1)· patent assignee history
2003Patents assigned to JP MINISTRY OF EDUCATION CULTU (1)· patent assignee history
2008–2017Patents assigned to NAT INST FOR MATERIALS SCIENCE (2)· patent assignee history
2008Based in Tsukuba, JP· patent location history
2021Based in Tama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO HEAVY INDUSTRIES111994–2003
NAT INST FOR MATERIALS SCIENCE22008–2017
DAIHEN CORP12003
ISHIKAWAJIMA HARIMA HEAVY IND12003
JP MINISTRY OF EDUCATION CULTU12003
Locations
LocationPatentsSpan
Chiba, JP111994–2003
Ibaraki, JP41998–2017
Tama, JP12021
Tsukuba, JP12008