Inventor

Ryouzo Nishikawa

Inventor
Gifu, JP

Overview

3→
Patents
2000–2009
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus33%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2009Patents assigned to UBE NITTO KASEI CO (3)· patent assignee history
2000Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
2000Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (2)· patent assignee history
2000–2009Based in Gifu, JP· patent location history
2000Based in Gifi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UBE NITTO KASEI CO32000–2009
NIPPON TELEGRAPH & TELEPHONE22000
SUMITOMO ELECTRIC INDUSTRIES22000
Locations
LocationPatentsSpan
Gifu, JP22000–2009
Gifi, JP12000