Inventor

Ryujiro Ikuta

Inventor
Shizuoka, JP

Overview

7→
Patents
2012–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 7 as inventor

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

F21Sprimary
F21SNon-portable lighting devices35%
F21VFunctional features or details of lighting devices or systems thereof20%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems15%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general10%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted10%
F21KNon-electric light sources using luminescence5%
G02BOptical elements, systems or apparatus5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2021Patents assigned to KOITO MFG CO LTD (7)· patent assignee history
2012–2015Patents assigned to IKUTA RYUJIRO (3)· patent assignee history
2012–2015Patents assigned to MATSUNAGA TAKASHI (3)· patent assignee history
2012–2021Based in Shizuoka, JP· patent location history
2015Patents assigned to AISO YOSHIAKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOITO MFG CO LTD72012–2021
IKUTA RYUJIROself32012–2015
MATSUNAGA TAKASHI32012–2015
AISO YOSHIAKI12015
Locations
LocationPatentsSpan
Shizuoka, JP72012–2021