Inventor

Nobuyuki Yoshizawa

Inventor
Mito, JP

Overview

11→
Patents
1987–2016
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus38%
C03CChemical composition of glasses, glazes or vitreous enamels31%
G01RMeasuring electric variables13%
A61BDiagnosis6%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for6%
H02HEmergency protective circuit arrangements6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1995Patents assigned to NIPPON TELEGRAPH & TELEPHONE (7)· patent assignee history
1987–1995Patents assigned to OCEAN CABLE CO LTD (2)· patent assignee history
1987–1995Based in Mito, JP· patent location history
1992–1994Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (5)· patent assignee history
1994Based in Aichi, JP· patent location history
2015–2016Patents assigned to YOSHIZAWA NOBUYUKI (2)· patent assignee history
2015–2016Based in Tokyo, JP· patent location history
2016Patents assigned to HITACHI LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON TELEGRAPH & TELEPHONE71987–1995
SUMITOMO ELECTRIC INDUSTRIES51992–1994
OCEAN CABLE CO LTD21987–1995
YOSHIZAWA NOBUYUKIself22015–2016
HITACHI LTD12016
Locations
LocationPatentsSpan
Mito, JP81987–1995
Tokyo, JP22015–2016
Aichi, JP11994