Inventor

Seiji Saitoh

Inventor
Kanagawa, JP

Overview

18→
Patents
1998–2020
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

G03Gprimary
G03GElectrography95%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%
PatentTitleYear
10,788,775Fixing device and image forming apparatus including same202010,481,530Separation member, separation device, fixing device, and image forming apparatus201910,317,828Fixing device including a nip formation pad with a porous structure, and image forming apparatus incorporating same201910,101,691Fixing device and image forming apparatus201810,095,166Fixing device and image forming apparatus201810,088,786Fixing device and image forming apparatus201810,042,294Separation device, fixing device, and image forming apparatus201810,012,937Fixing device and image forming apparatus including a fixing belt, a presser, and a gap retainer201810,012,936Fixing device and image forming apparatus20189,996,035Fixing device and image forming apparatus with a movable presser which moves a fixing belt20189,715,201'Fixing device and image forming apparatus including a rotation load applicator'20179,229,381'Cleaning device, fixing device including the cleaning device, and image forming apparatus including the fixing device'20168,929,788'Fixing device having a fixing pad and a pressing pad and image forming apparatus incorporating the same'20158,331,820'Fixing device and image forming apparatus using same'20127,493,059'Method and apparatus for image forming with an improved warm-up control'20096,816,701'Fixing device including guide unit and image forming apparatus'20046,104,889'Automatic component replacement detecting system in an image forming apparatus'20005,722,012'Image forming apparatus'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Based in Yokoham, JP· patent location history
2000Based in Yokohama, JP· patent location history
2004Based in Chiba, JP· patent location history
2009–2012Based in Zama, JP· patent location history
2012–2020Patents assigned to RICOH CO LTD (14)· patent assignee history
2012–2020Patents assigned to SAITOH SEIJI (12)· patent assignee history
2015–2020Based in Kanagawa, JP· patent location history
2018Patents assigned to HIROSE FUMIHIRO (6)· patent assignee history
2018Patents assigned to KANDA YUUTA (5)· patent assignee history
2018Patents assigned to KUBOTA KEISUKE (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICOH CO LTD142012–2020
SAITOH SEIJIself122012–2020
HIROSE FUMIHIRO62018
KANDA YUUTA52018
KUBOTA KEISUKE52018
Locations
LocationPatentsSpan
Kanagawa, JP132015–2020
Zama, JP22009–2012
Chiba, JP12004
Yokohama, JP12000
Yokoham, JP11998