Inventor

Ryuji Otsuka

Inventor
Tokyo, JP

Overview

5→
Patents
2000–2017
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G08Gprimary
G08GTraffic control systems23%
G01SRadio direction-finding15%
B60LPropulsion of electrically-propelled vehicles8%
B62JCycle saddles or seats8%
B62KCycles8%
B66BElevators8%
G06FElectric digital data processing8%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y02TClimate change mitigation technologies related to transportation8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000Patents assigned to OKI ELECTRIC IND CO LTD (3)· patent assignee history
2000Patents assigned to SHIP RESEARCH INST (1)· patent assignee history
2000Based in Tokyo, JP· patent location history
2004Patents assigned to KABUSHIKIKAISHA TOKAN (1)· patent assignee history
2004Patents assigned to MITSUBISHI ELECTRIC CORP (1)· patent assignee history
2004Based in Chiba, JP· patent location history
2017Patents assigned to SUZUKI MOTOR CORP (1)· patent assignee history
2017Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OKI ELECTRIC IND CO LTD32000
KABUSHIKIKAISHA TOKAN12004
MITSUBISHI ELECTRIC CORP12004
SHIP RESEARCH INST12000
SUZUKI MOTOR CORP12017
Locations
LocationPatentsSpan
Tokyo, JP32000
Shizuoka, JP12017
Chiba, JP12004