Inventor

Koji Toyama

Inventor
Tokyo, JP

Overview

25→
Patents
1985–2020
Patent span
Physics
Primary field (CPC G)

Patents· 25 as inventor

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

G06Fprimary
G06FElectric digital data processing12%
F04BPositive-displacement machines for liquids8%
H02KDynamo-electric machines8%
G01RMeasuring electric variables6%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
Y10TTechnical subjects covered by former us classification6%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling4%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids4%
G02BOptical elements, systems or apparatus4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2020Based in Tokyo, JP· patent location history
2009–2018Patents assigned to MITSUBISHI HEAVY IND LTD (9)· patent assignee history
2012–2018Patents assigned to TOYAMA KOJI (10)· patent assignee history
2012–2018Patents assigned to HATTORI MAKOTO (6)· patent assignee history
2012–2016Patents assigned to NAKAGAMI TAKASHI (5)· patent assignee history
2012–2018Based in Aichi, JP· patent location history
2012–2016Based in Hiroshima, JP· patent location history
2012–2013Based in Kanagawa, JP· patent location history
2013–2019Based in Hekinan, JP· patent location history
2018–2020Patents assigned to MITSUBISHI AIRCRAFT CORP (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOYAMA KOJIself102012–2018
MITSUBISHI HEAVY IND LTD92009–2018
MITSUBISHI AIRCRAFT CORP72018–2020
HATTORI MAKOTO62012–2018
NAKAGAMI TAKASHI52012–2016
Locations
LocationPatentsSpan
Tokyo, JP91985–2020
Aichi, JP42012–2018
Hekinan, JP32013–2019
Hiroshima, JP32012–2016
Kanagawa, JP22012–2013