LexDanaLexDanabeta
Inventor

Ryuuta Yoshida

Inventor
Miyagi, JP

Overview

5→
Patents
2014–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

G03Gprimary
G03GElectrography44%
F01MLubricating of machines or engines in general11%
F02BInternal-combustion piston engines11%
F02FCylinders, pistons or casings, for combustion engines11%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof11%
Y02TClimate change mitigation technologies related to transportation11%
PatentTitleYear
10,941,684Cylinder head cover202110,073,366Toner, toner storage unit, image forming apparatus, and method for manufacturing toner20189,201,326'Toner, developer and image forming apparatus'20158,999,618'Toner set, developer set, and image forming apparatus'20158,778,588'Toner for electrostatic charge development'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2018Patents assigned to RICOH CO LTD (4)· patent assignee history
2014–2018Patents assigned to YOSHIDA RYUUTA (4)· patent assignee history
2014–2015Patents assigned to AWAMURA JUNICHI (2)· patent assignee history
2014–2015Patents assigned to HONDA TAKAHIRO (2)· patent assignee history
2014–2015Patents assigned to INOUE DAISUKE (2)· patent assignee history
2014–2015Based in Miyagi, JP· patent location history
2015Based in Shizuoka, JP· patent location history
2018Based in Kanagawa, JP· patent location history
2021Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD42014–2018
YOSHIDA RYUUTAself42014–2018
AWAMURA JUNICHI22014–2015
HONDA TAKAHIRO22014–2015
INOUE DAISUKE22014–2015
Locations
LocationPatentsSpan
Miyagi, JP22014–2015
Sakai, JP12021
Kanagawa, JP12018
Shizuoka, JP12015