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Inventor

Naoya Tonegawa

Inventor
Sagamihara, JP

Overview

16→
Patents
2011–2020
Patent span
Physics
Primary field (CPC G)

Patents· 16 as inventor

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

G03Gprimary
G03GElectrography89%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,739,691Electrostatic image developing toner and developer202010,146,147Magenta toner for electrostatic charge image development201810,061,219Electrostatic charge image developing white toner, manufacturing method thereof, image forming apparatus, and image forming method201810,031,433Electrostatic charge image developing toner20189,971,266Method of producing toner for developing electrostatic images20189,933,720Electrostatic image developing toner20189,921,506'Electrophotographic image forming method and full color toner set for developing electrostatic image'20189,703,219'Electrostatic image developing toner'20179,625,843'Electrostatic image developing toner'20179,588,452'Toner for developing electrostatic latent image and process for producing the same'20179,377,703'Toner for developing electrostatic latent image and manufacturing method thereof'20168,455,164'Developer for electrophotography'20138,133,646'Toner'20128,101,330'Two component developer and image forming method'20128,092,965'Two component developer and image forming method'20128,039,184'Two-component developer'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2013Patents assigned to KONICA MINOLTA BUSINESS TECH (5)· patent assignee history
2011–2013Based in Tokyo, JP· patent location history
2012–2013Patents assigned to ANNO MASAHIRO (4)· patent assignee history
2012–2013Patents assigned to NAKAMURA MASAHIKO (4)· patent assignee history
2012–2013Patents assigned to ONAKA KENICHI (4)· patent assignee history
2016–2020Patents assigned to KONICA MINOLTA INC (11)· patent assignee history
2016–2020Based in Sagamihara, JP· patent location history
2017Based in Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONICA MINOLTA INC112016–2020
KONICA MINOLTA BUSINESS TECH52011–2013
ANNO MASAHIRO42012–2013
NAKAMURA MASAHIKO42012–2013
ONAKA KENICHI42012–2013
Locations
LocationPatentsSpan
Sagamihara, JP102016–2020
Tokyo, JP52011–2013
Kanagawa, JP12017