LexDanaLexDanabeta
Inventor

Akira Takehisa

Inventor
Tokyo, JP

Overview

7→
Patents
2005–2016
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G03Gprimary
G03GElectrography78%
G06FElectric digital data processing11%
H04NPictorial communication, e.g. television11%
PatentTitleYear
9,229,409'Cleaning blade failure prediction processor and image forming apparatus incorporating same'20169,141,063'Image forming apparatus and method'20159,091,990'Device failure predictor and image forming apparatus incorporating same'20158,953,957'Image forming apparatus including a surface potential detector'20158,948,620'Image forming system and latent image carrier replacement time detection method'20158,948,621'Management apparatus, image forming apparatus maintenance system including the same, and management method'20156,947,675'Remote maintenance and diagnosis of office or domestic appliances'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2016Based in Tokyo, JP· patent location history
2015–2016Patents assigned to IMAZEKI MIKIKO (6)· patent assignee history
2015–2016Patents assigned to NAKAZATO YASUSHI (6)· patent assignee history
2015–2016Patents assigned to RICOH CO LTD (6)· patent assignee history
2015–2016Patents assigned to TAKEHISA AKIRA (6)· patent assignee history
2015–2016Patents assigned to SATOH OSAMU (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IMAZEKI MIKIKO62015–2016
NAKAZATO YASUSHI62015–2016
RICOH CO LTD62015–2016
TAKEHISA AKIRAself62015–2016
SATOH OSAMU42015–2016
Locations
LocationPatentsSpan
Tokyo, JP72005–2016