Inventor
Tomoyuki Kawakami
Inventor
Tochigi, JP
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof21%
G03GElectrography14%
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 systems14%
H02JElectric power networks11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
B60LPropulsion of electrically-propelled vehicles4%
B61DBody details or kinds of railway vehicles4%
G05FSystems for regulating electric or magnetic variables4%
G06FElectric digital data processing4%
PatentTitleYear
9,998,024Power conversion apparatus20188,982,588'Method and an apparatus for controlling the output voltage of a boost converter composed of plural bridge devices'20158,754,549'Power conversion device'20148,614,903'Power conditioner for photovoltaic power generation'20138,238,802'Developing unit, image retainer unit and image forming apparatus'20127,596,008'Power conversion apparatus'20097,346,297'Developing cartridge having a lid with a changeable shape'20086,643,786'Computer battery event managing method with option to compulsorily execute a low battery capacity operation even when a program of the computer does not respond'20036,173,142'Image forming apparatus'20016,067,426'Brush type charger'20005,634,450'Canister and evaporative fuel-processing system employing same'19975,606,954'Evaporative fuel processing device'19975,487,369'Evaporative emission control system for internal combustion engines'19965,474,048'Evaporative fuel-processing system for internal combustion engines'19955,460,136'Evaporative fuel-adsorbing device and evaporative emission control system including same'19955,456,237'Evaporative fuel processing device'19955,456,236'Evaporative emission control system for internal combustion engines'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–1997Patents assigned to HONDA MOTOR CO LTD (7)· patent assignee history
1995–1997Based in Tochigi, JP· patent location history
2000–2012Based in Niigata, JP· patent location history
2003Based in Fussa, JP· patent location history
2008–2012Patents assigned to FUJI XEROX CO LTD (2)· patent assignee history
2009–2018Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history
2009–2018Based in Tokyo, JP· patent location history
2012–2015Patents assigned to KAWAKAMI TOMOYUKI (4)· patent assignee history
2013–2015Patents assigned to OKUDA TATSUYA (3)· patent assignee history
2015Based in Hyogo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONDA MOTOR CO LTD | 7 | 1995–1997 |
| MITSUBISHI ELECTRIC CORP | 5 | 2009–2018 |
| KAWAKAMI TOMOYUKIself | 4 | 2012–2015 |
| OKUDA TATSUYA | 3 | 2013–2015 |
| FUJI XEROX CO LTD | 2 | 2008–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tochigi, JP | 6 | 1995–1997 |
| Tokyo, JP | 4 | 2009–2018 |
| Niigata, JP | 4 | 2000–2012 |
| Hyogo, JP | 1 | 2015 |
| Fussa, JP | 1 | 2003 |