Inventor

Tatsuro Watanabe

Inventor
Kanagawa, JP

Overview

18→
Patents
2001–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 18 as inventor

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

B41Jprimary
B41JTypewriters44%
B41MPrinting, duplicating, marking, or copying processes13%
B41FPrinting machines or presses6%
C10LFuels not otherwise provided for6%
F23GCremation furnaces6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
B01DSeparation3%
B05BSpraying apparatus3%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
G03GElectrography3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Based in Kakuda, JP· patent location history
2007–2011Based in Mie, JP· patent location history
2012–2021Patents assigned to RICOH CO LTD (13)· patent assignee history
2012–2019Patents assigned to WATANABE TATSURO (12)· patent assignee history
2012–2014Based in Miyagi, JP· patent location history
2014–2019Patents assigned to HIRATSUKA HIROYUKI (7)· patent assignee history
2014–2021Based in Kanagawa, JP· patent location history
2016–2019Patents assigned to NAGAI KOJI (6)· patent assignee history
2016–2019Patents assigned to MATSUMOTO HIROYOSHI (4)· patent assignee history
2019–2020Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD132012–2021
WATANABE TATSUROself122012–2019
HIRATSUKA HIROYUKI72014–2019
NAGAI KOJI62016–2019
MATSUMOTO HIROYOSHI42016–2019
Locations
LocationPatentsSpan
Kanagawa, JP82014–2021
Miyagi, JP52012–2014
Kawasaki, JP22019–2020
Mie, JP22007–2011
Kakuda, JP12001