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Inventor

Masana Shiba

Inventor
Shizuoka, JP

Overview

19→
Patents
2012–2021
Patent span
Physics
Primary field (CPC G)

Patents· 19 as inventor

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

G03Gprimary
G03GElectrography75%
H01GCapacitors4%
H01LSemiconductor devices4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
H10KOrganic electric solid-state devices4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
11,056,600Photoelectric conversion element, photoelectric conversion element module, electronic device, and power supply module202110,054,864Toner, toner stored unit, and image forming apparatus20189,989,869Toner, toner stored unit, and image forming apparatus20189,709,911'Toner, image forming apparatus, and process cartridge'20179,557,670'Toner, developer, and color toner set'20179,488,925'Magenta toner, developer, and image forming apparatus'20169,442,403'Toner, developer, and image forming apparatus'20169,354,533'Electrophotographic toner, two-component developer containing toner, and image forming apparatus'20169,348,245'Toner, method for producing the toner, two-component developer, and image forming apparatus'20169,239,530'Toner for forming electrostatic image, developer, process cartridge, and image forming apparatus'20169,152,084'Toner housing container and image forming apparatus'20159,023,570'Toner, developer, and image forming apparatus'20159,012,113'White toner, method for producing the same, and development agent, recording medium, printed matter, and image forming apparatus using the same'20158,986,916'Yellow toner and color image forming method'20158,932,789'Toner and developer'20158,846,289'Method of manufacturing toner and toner manufactured by the method'20148,835,086'Electrostatic image developing toner'20148,673,528'Toner, developer, toner accommodating container, process cartridge and image forming method'20148,227,164'Toner, and developer, developer container, process cartridge, image forming apparatus and image forming method using the toner'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2021Patents assigned to RICOH CO LTD (19)· patent assignee history
2012–2021Patents assigned to SHIBA MASANA (18)· patent assignee history
2012–2017Patents assigned to SUGIMOTO TSUYOSHI (8)· patent assignee history
2012–2017Patents assigned to YAMASHITA HIROSHI (8)· patent assignee history
2012–2014Based in Numazu, JP· patent location history
2014–2018Based in Shizuoka, JP· patent location history
2015–2018Patents assigned to TAKAHASHI RINTARO (8)· patent assignee history
2021Based in Shizuoka-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD192012–2021
SHIBA MASANAself182012–2021
SUGIMOTO TSUYOSHI82012–2017
TAKAHASHI RINTARO82015–2018
YAMASHITA HIROSHI82012–2017
Locations
LocationPatentsSpan
Shizuoka, JP162014–2018
Numazu, JP22012–2014
Shizuoka-shi, JP12021