Inventor

Shinichi Wakamatsu

Inventor
Numazu, JP

Overview

18→
Patents
1999–2015
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

G03Gprimary
G03GElectrography73%
A61KPreparations for medical, dental or toiletry purposes5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08LCompositions of macromolecular compounds5%
C09JAdhesives5%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
8,932,788'Toner, developer, and image forming method'20158,673,528'Toner, developer, toner accommodating container, process cartridge and image forming method'20148,557,491'Toner, developer, toner container, process cartridge, and image forming method'20138,541,020'Polymeric hydrogel'20138,486,596'Toner, image forming method, and process cartridge'20138,293,442'Resin particle, toner, and image forming method and process cartridge using the same'20128,178,268'Magenta toner and developer'20128,163,455'Toner for image formation, method for producing toner, container containing toner, two-component developer, process cartridge, and image forming method'20128,137,883'Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container'20127,989,131'Toner, developer, image forming method, image forming apparatus, process cartridge, and toner container'20117,968,265'Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus'20117,947,419'Toner, developer, and image forming method'20117,820,350'Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method'20107,709,174'Toner, method of preparing the toner, and developer, image forming method, image forming apparatus, and process cartridge using the toner'20107,695,883'Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same'20107,666,563'Toner and developer using the toner'20107,504,188'Toner and developer, toner container, process cartridge, image forming apparatus, and image forming method using the same'20095,957,381'Fuel injection nozzle'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Based in Higashimatsuyama, JP· patent location history
2009–2015Based in Numazu, JP· patent location history
2011–2015Patents assigned to RICOH CO LTD (11)· patent assignee history
2012–2015Patents assigned to WAKAMATSU SHINICHI (9)· patent assignee history
2012–2015Patents assigned to WATANABE NAOHIRO (8)· patent assignee history
2012–2015Patents assigned to SUGIMOTO TSUYOSHI (7)· patent assignee history
2012–2015Patents assigned to YAMASHITA HIROSHI (7)· patent assignee history
2013Based in Nara, JP· patent location history
2014Based in Shizuoka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD112011–2015
WAKAMATSU SHINICHIself92012–2015
WATANABE NAOHIRO82012–2015
SUGIMOTO TSUYOSHI72012–2015
YAMASHITA HIROSHI72012–2015
Locations
LocationPatentsSpan
Numazu, JP152009–2015
Shizuoka, JP12014
Nara, JP12013
Higashimatsuyama, JP11999