Inventor

Ryo Sakai

Inventor
Tokyo, JP

Overview

15→
Patents
1980–2021
Patent span
LOC
Primary field

Patents· 15 as inventor

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

LOC03primary
LOC0321%
LOC0613%
LOC098%
A63HToys, e.g. tops, dolls, hoops or building blocks4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B25JManipulators4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
G05BControl or regulating systems in general4%
G06NComputing arrangements based on specific computational models4%
H01FMagnets4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to NIPPON KINZOKU CO LTD (1)· patent assignee history
1980–2021Based in Tokyo, JP· patent location history
2021Patents assigned to EPOCH CO LTD (12)· patent assignee history
2021Patents assigned to HITACHI LTD (1)· patent assignee history
2021Patents assigned to TOSHIBA KK (1)· patent assignee history
2021Patents assigned to TOSHIBA MATERIALS CO LTD (1)· patent assignee history
2021Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EPOCH CO LTD122021
HITACHI LTD12021
NIPPON KINZOKU CO LTD11980
TOSHIBA KK12021
TOSHIBA MATERIALS CO LTD12021
Locations
LocationPatentsSpan
Tokyo, JP141980–2021
Yokohama, JP12021