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Inventor

Hirohiko Seki

Inventor
Hachioji, JP

Overview

5→
Patents
1991–2012
Patent span
Physics
Primary field (CPC G)

Patents· 5 as inventor

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

G03Gprimary
G03GElectrography50%
B05CApparatus for applying fluent materials to surfaces, in general10%
B05DProcesses for applying fluent materials to surfaces, in general10%
B24BMachines, devices, or processes for grinding or polishing10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
PatentTitleYear
8,182,970'Image forming method'20128,177,604'Surface abrading method of photosensitive layer of electrophotographic photoreceptor'20125,494,771'Separating and recovering method of continuously coated photoreceptor drum'19965,223,365'Magnetic toner'19934,994,340'Magnetic toner'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1996Patents assigned to KONISHIROKU PHOTO IND (3)· patent assignee history
1991–1996Based in Hachioji, JP· patent location history
2012Patents assigned to KOBAYASHI NOBUAKI (2)· patent assignee history
2012Patents assigned to KONICA MINOLTA BUSINESS TECH (2)· patent assignee history
2012Patents assigned to SEKI HIROHIKO (2)· patent assignee history
2012Patents assigned to SUMITANI TADAAKI (2)· patent assignee history
2012Based in Yamanashi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONISHIROKU PHOTO IND31991–1996
KOBAYASHI NOBUAKI22012
KONICA MINOLTA BUSINESS TECH22012
SEKI HIROHIKOself22012
SUMITANI TADAAKI22012
Locations
LocationPatentsSpan
Hachioji, JP31991–1996
Yamanashi, JP22012