Inventor

Tomohide Takenaka

Inventor

Kanagawa, JP

Overview

2011–2020

Patent span

Physics

Primary field (CPC G)

Patents· 12 as inventor

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

G03Gprimary

G03GElectrography92%

H04NPictorial communication, e.g. television8%

PatentTitleYear

10,599,081Image forming apparatus and voltage application method2020 10,241,462Image forming apparatus2019 10,061,226Image forming apparatus and image forming method2018 9,535,376'Image forming apparatus that switches transfer bias based on detected environment condition'2017 9,513,585'Image forming apparatus which sets image forming condition based on calculated exposed area potential'2016 9,436,135'Toner pattern density correction in an image forming apparatus'2016 9,316,954'Image forming apparatus'2016 8,620,170'Image forming apparatus'2013 8,599,413'Image forming apparatus'2013 8,472,822'Image forming apparatus and method capable of changing image formation condition based on detection result of reference image'2013 8,019,239'Device and method for detecting life of organic photoreceptor and image forming apparatus'2011 7,925,174'Image forming apparatus'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2020Patents assigned to RICOH CO LTD (12)· patent assignee history

2011Based in Ibaraki, JP· patent location history

2011Based in Mito, JP· patent location history

2013–2020Patents assigned to TAKENAKA TOMOHIDE (10)· patent assignee history

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

2013Based in Tokyo, JP· patent location history

2013Based in Zama, JP· patent location history

2016–2020Patents assigned to SONE KEITA (5)· patent assignee history

2016–2018Patents assigned to GOTOH KEITA (3)· patent assignee history

2018–2020Patents assigned to KAMIHARA KAZUAKI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
RICOH CO LTD	12	2011–2020
TAKENAKA TOMOHIDEself	10	2013–2020
SONE KEITA	5	2016–2020
GOTOH KEITA	3	2016–2018
KAMIHARA KAZUAKI	3	2018–2020

Locations

Location	Patents	Span
Kanagawa, JP	8	2013–2020
Tokyo, JP	1	2013
Zama, JP	1	2013
Ibaraki, JP	1	2011
Mito, JP	1	2011