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Inventor

Yasuo Kamei

Inventor
Tokyo, JP

Overview

9→
Patents
1991–2020
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G03Gprimary
G03GElectrography29%
B27FDovetailed work12%
C21BManufacture of iron or steel12%
C22BProduction and refining of metals12%
Y02PClimate change mitigation technologies in the production or processing of goods12%
G02BOptical elements, systems or apparatus6%
G06KGraphical data reading6%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters6%
H04NPictorial communication, e.g. television6%
PatentTitleYear
10,705,466Image forming apparatus202010,488,783Image forming apparatus201910,067,340Method for determining phase of rotating polygonal mirror used in image forming apparatus20188,948,634'Image forming apparatus'20158,854,407'Image forming apparatus that forms image using multiple light emitting elements'20146,284,017'Method and facility for producing reduced iron'20016,015,527'Facility for producing reduced iron'20005,029,745'Electric stapler'19915,009,355'Electric stapler'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to MAX CO LTD (2)· patent assignee history
1991–2020Based in Tokyo, JP· patent location history
2000–2001Patents assigned to SUMITOMO METAL IND (2)· patent assignee history
2000–2001Based in Narashino, JP· patent location history
2014–2020Patents assigned to CANON KK (5)· patent assignee history
2014Based in Toride, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK52014–2020
MAX CO LTD21991
SUMITOMO METAL IND22000–2001
Locations
LocationPatentsSpan
Tokyo, JP61991–2020
Narashino, JP22000–2001
Toride, JP12014