Inventor

Katsuyuki Ota

Inventor
Sakai, JP

Overview

4→
Patents
1988–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B62Lprimary
B62LBrakes specially adapted for cycles22%
A61KPreparations for medical, dental or toiletry purposes11%
B05BSpraying apparatus11%
B05DProcesses for applying fluent materials to surfaces, in general11%
C01BNon-metallic elements11%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds11%
C04BLime, magnesia11%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to PHOTOPOLY OHKA CO LTD (1)· patent assignee history
1988Based in Atsugi, JP· patent location history
1998–1999Patents assigned to SHIMANO KK (2)· patent assignee history
1998–1999Based in Sakai, JP· patent location history
2021Patents assigned to SANGI KK (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHIMANO KK21998–1999
PHOTOPOLY OHKA CO LTD11988
SANGI KK12021
Locations
LocationPatentsSpan
Sakai, JP21998–1999
Tokyo, JP12021
Atsugi, JP11988