Inventor

Yoshitaka Yamauchi

Inventor

Shizuoka, JP

Overview

2003–2020

Patent span

Physics

Primary field (CPC G)

Patents· 32 as inventor

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

G03Gprimary

G03GElectrography64%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%

C08JWorking-up4%

C08LCompositions of macromolecular compounds4%

Y02PClimate change mitigation technologies in the production or processing of goods4%

Y10TTechnical subjects covered by former us classification4%

A63DBowling games, e.g. skittles, bocce or bowls2%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

B29BPreparation or pretreatment of the material to be shaped2%

PatentTitleYear

10,627,732Toner, developer, toner storage unit, image forming apparatus, image forming method, and method for producing printed matter2020 10,599,059Toner, image forming apparatus, image forming method, and toner storage unit2020 10,578,988Toner, image forming apparatus, and toner stored unit2020 10,459,360Toner and image forming method2019 10,274,856Toner for electrophotography, image forming method, and process cartridge2019 10,254,668Toner for electrophotography, developer for electrophotography, image forming apparatus, and process cartridge2019 10,203,620Toner, image forming method, and process cartridge2019 10,156,802Toner, toner housing unit, image forming apparatus, and image forming method2018 9,606,464'Resin composition for toner, toner, developer and image forming apparatus'2017 9,557,666'Toner'2017 9,482,971'White toner, and image forming method and image forming apparatus using the white toner'2016 9,482,975'Toner, developer, image forming apparatus, and process cartridge'2016 9,470,996'Toner, method of manufacturing the toner, and developer, image forming apparatus, image forming method, and process cartridge using the toner'2016 9,442,403'Toner, developer, and image forming apparatus'2016 9,360,780'Toner, two-component developer, toner set, toner container, printed matter, image forming apparatus, and image forming method'2016 9,354,533'Electrophotographic toner, two-component developer containing toner, and image forming apparatus'2016 9,348,245'Toner, method for producing the toner, two-component developer, and image forming apparatus'2016 9,141,013'Electrophotographic toner, developer containing the toner, and image forming apparatus'2015 9,127,118'Resin for toner, toner using the resin, and development agent using the toner'2015 9,128,397'Resin for use in toner, toner using the resin, developer using the toner, image forming apparatus and method using the toner, and method of manufacturing resin'2015 9,029,481'Method for producing polymer, device for producing polymer, device for producing complex, and polymer product'2015 9,012,116'Toner and developer'2015 9,012,113'White toner, method for producing the same, and development agent, recording medium, printed matter, and image forming apparatus using the same'2015 8,932,790'Toner, developer including the toner, image forming apparatus using the toner, and block copolymer'2015 8,895,217'Electrostatic image forming toner and developer'2014 8,877,420'Particles and method for producing the same, toner and method for producing the same, developer, process cartridge, image forming method and image forming apparatus'2014 8,846,810'Polymer particle and method for producing the same'2014 8,735,040'Toner, developer, and image forming apparatus'2014 8,685,604'Toner, developer, and image forming apparatus'2014 8,679,714'Toner, developer, and image forming method'2014 8,524,437'Particle producing method, particle, toner, developer, process cartridge, image forming method, image forming apparatus, and particle producing method'2013 6,524,192'Bowling pin arrangement control device and its connecting unit'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Based in Osaka, JP· patent location history

2013–2020Patents assigned to RICOH CO LTD (31)· patent assignee history

2013–2020Patents assigned to YAMAUCHI YOSHITAKA (30)· patent assignee history

2013–2017Patents assigned to NEMOTO TAICHI (14)· patent assignee history

2013–2020Based in Shizuoka, JP· patent location history

2014–2015Patents assigned to MORIYA YOSHIHIRO (8)· patent assignee history

2015–2020Patents assigned to SUZUKI KAZUMI (16)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH CO LTD	31	2013–2020
YAMAUCHI YOSHITAKAself	30	2013–2020
SUZUKI KAZUMI	16	2015–2020
NEMOTO TAICHI	14	2013–2017
MORIYA YOSHIHIRO	8	2014–2015

Locations

Location	Patents	Span
Shizuoka, JP	31	2013–2020
Osaka, JP	1	2003