Inventor

Ryouji Yamamoto

Inventor
Kanagawa, JP

Overview

9→
Patents
2012–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

G06Fprimary
G06FElectric digital data processing31%
H04LTransmission of digital information, e.g. telegraphic communication31%
H04NPictorial communication, e.g. television13%
H04WWireless communication networks13%
G01SRadio direction-finding6%
G03GElectrography6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2020Patents assigned to RICOH CO LTD (9)· patent assignee history
2012–2020Patents assigned to YAMAMOTO RYOUJI (9)· patent assignee history
2012–2020Based in Kanagawa, JP· patent location history
2016–2020Patents assigned to KOBAYASHI HIROSHI (6)· patent assignee history
2016–2020Patents assigned to TAKAYA YUKI (4)· patent assignee history
2018–2020Patents assigned to NAMIKI HITOSHI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD92012–2020
YAMAMOTO RYOUJIself92012–2020
KOBAYASHI HIROSHI62016–2020
TAKAYA YUKI42016–2020
NAMIKI HITOSHI32018–2020
Locations
LocationPatentsSpan
Kanagawa, JP92012–2020