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Inventor

Tomohiko Yamakawa

Inventor
Osaka, 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
G03GElectrography67%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages8%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for8%
F16CShafts8%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors4%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
PatentTitleYear
10,545,430Image forming apparatus202010,509,343Belt driving device and image forming apparatus201910,459,369Image forming apparatus201910,379,483Rotating device, image forming apparatus201910,289,026Image forming apparatus201910,168,647Fixing device and image forming apparatus including heat insulating member in contact with bearing201910,073,390Fixing device and image forming apparatus including the same20189,772,588'Fixing unit with rotating member having engaging holes that engage projections on a heat insulating member, and image forming apparatus thereof'20179,618,885'Fixing device and image forming apparatus including the same'20179,448,515'Fixing device and image forming apparatus'20169,372,454'Fixing device comprising heat insulating member interposed between rotating member and bearing and rotated around rotation axis and image forming apparatus including the same'20169,329,547'Fixing device and image forming apparatus'20169,188,914'Image forming apparatus including fusing device'20159,141,045'Fixing device and image forming apparatus'20159,042,797'Fixing device and image forming apparatus'20158,433,217'Photoreceptor, cooling mechanism for photoreceptor, and image forming apparatus provided with the same'20136,565,911'Method of producing frozen blanched green agricultural product'20035,789,013'Frozen blanched green agricultural product'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2003Patents assigned to NIPPON SUISAN KAISHA LTD (2)· patent assignee history
1998–2003Based in Tokyo, JP· patent location history
2013Patents assigned to GODA MITSUHIRO (1)· patent assignee history
2013Patents assigned to HANANO SUSUMU (1)· patent assignee history
2013Patents assigned to KONISHI HIDEHISA (1)· patent assignee history
2013–2020Based in Osaka, JP· patent location history
2015–2020Patents assigned to KYOCERA DOCUMENT SOLUTIONS INC (15)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KYOCERA DOCUMENT SOLUTIONS INC152015–2020
NIPPON SUISAN KAISHA LTD21998–2003
GODA MITSUHIRO12013
HANANO SUSUMU12013
KONISHI HIDEHISA12013
Locations
LocationPatentsSpan
Osaka, JP162013–2020
Tokyo, JP21998–2003