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Inventor

Mitsufumi Yamamoto

Inventor
Tokyo, JP

Overview

4→
Patents
2013–2019
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G03Gprimary
G03GElectrography33%
G01FMeasuring volume, volume flow, mass flow or liquid level17%
G06FElectric digital data processing17%
G06KGraphical data reading17%
H04NPictorial communication, e.g. television17%
PatentTitleYear
10,228,632Powder detection device, image forming apparatus, powder detection method, and non-transitory recording medium20199,392,138'Image forming apparatus and program thereof'20168,862,908'Information processing apparatus, power source control method thereof, program thereof, and storage thereof'20148,463,144'Image forming device, identifying device, semiconductor integrated device, and identifying method'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2019Patents assigned to RICOH CO LTD (4)· patent assignee history
2013–2019Patents assigned to YAMAMOTO MITSUFUMI (4)· patent assignee history
2013–2014Patents assigned to INOKUCHI SUMIHIRO (2)· patent assignee history
2013–2014Based in Kanagawa, JP· patent location history
2014Patents assigned to AOKI TOYOKAZU (1)· patent assignee history
2016–2019Based in Tokyo, JP· patent location history
2019Patents assigned to HIROTA TETSURO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD42013–2019
YAMAMOTO MITSUFUMIself42013–2019
INOKUCHI SUMIHIRO22013–2014
AOKI TOYOKAZU12014
HIROTA TETSURO12019
Locations
LocationPatentsSpan
Tokyo, JP22016–2019
Kanagawa, JP22013–2014