Inventor

Takayuki Hirai

Inventor
Kanuma, JP

Overview

17→
Patents
1990–2020
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.

H01Bprimary
H01BCables19%
B01DSeparation8%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%
G02BOptical elements, systems or apparatus8%
B23KSoldering or unsoldering6%
B29CShaping or joining of plastics6%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons6%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials6%
Y10TTechnical subjects covered by former us classification6%
B29DProducing particular articles from plastics or from substances in a plastic state3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to BRIDGESTONE CORP (1)· patent assignee history
1993–1996Patents assigned to MITSUBISHI RAYON CO (3)· patent assignee history
1993–1996Based in Otake, JP· patent location history
1999–2001Patents assigned to NISSHIN SPINNING (2)· patent assignee history
1999–2001Based in Okazaki, JP· patent location history
2005–2020Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (10)· patent assignee history
2005–2007Based in Osaka, JP· patent location history
2018Patents assigned to CYBERWALKER INC (1)· patent assignee history
2018–2020Based in Kanuma, JP· patent location history
2018Based in Aichi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES102005–2020
MITSUBISHI RAYON CO31993–1996
NISSHIN SPINNING21999–2001
BRIDGESTONE CORP11990
CYBERWALKER INC12018
Locations
LocationPatentsSpan
Kanuma, JP72018–2020
Osaka, JP32005–2007
Okazaki, JP21999–2001
Otake, JP21993–1996
Aichi, JP12018