Inventor
Masaaki Takagi
Inventor
Tokyo, JP
Overview
Patents· 48 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines9%
G01DMeasuring not specially adapted for a specific variable6%
B41JTypewriters5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
G11BInformation storage based on relative movement between record carrier and transducer5%
H04NPictorial communication, e.g. television5%
LOC165%
Y10TTechnical subjects covered by former us classification5%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables4%
B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles3%
PatentTitleYear
10,838,283Imaging apparatus2020D0898102Digital camera2020D0898101Digital camera202010,604,363Sheet feeding apparatus2020D0856395Digital camera2019D0855679Digital camera20199,630,213'Vibration actuator'20179,584,001'Vibration actuator'20178,885,025'Processor'20148,870,582'Charging port cover and charging port structure'20148,740,283'Arrangement structure for charging port cover'20148,018,498'Image pickup apparatus and exposure control method'20117,953,318'Imaging apparatus and focusing method'20117,947,755'Polyurethane foam and method of manufacturing the same'20117,636,120'Image-data output device and digital camera'20097,511,082'Polyurethane foam and method of manufacturing the same'20097,481,590'Printer apparatus'20097,360,959'Printer apparatus'20087,348,753'Fan motor'20087,332,842'Fan motor'20087,251,451'Printer having output tray'20077,121,662'Image forming apparatus'20067,015,604'Stepping motor and method of manufacturing stepping motor'20066,896,386'Surface emitting device'20056,861,773'Stepping motor'20056,809,439'Stepping motor'20046,774,512'Claw-pole permanent-magnet stepping motor'20046,439,104'Small size air pump'20026,412,773'Paper feeding apparatus'20026,289,758'Gear module'20016,224,136'Structure for positioning windshield for vehicle and method of mounting windshield'20016,070,482'Gear module'20006,070,930'Structure for positioning window shield panel for vehicle and method of mounting window shield panel'20005,831,956'Disc loading device'19985,735,569'Structure for attaching assist grip for automobile'19985,560,787'Rolling bearing for high-speed rotation at high temperatures'19965,539,519'Compact, high resolution optical displacement detector'19965,525,955'Capacitor coupled potentiometer'19965,438,193'Absolute rotary encoder with slit patterns having bit-coded tracks ranging from higher to lower order'19955,415,711'High-strength spring steels and method of producing the same'19955,323,118'Hinged displacement sensor'19945,253,526'Capacitive acceleration sensor with free diaphragm'19935,200,942'Focus adjusting apparatus for an optical pickup apparatus'19935,116,431'Immersion member for hot dip galvanizing bath and method for preparing the same'19925,073,710'Optical displacement detector including a displacement member\'s surface having a diffractive pattern and a holographic lens pattern'19915,062,096'Optical head and tracking method using same'19915,017,768'Optical focusing control apparatus'19914,664,493'Photographic shutter'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1996Patents assigned to COPAL CO LTD (9)· patent assignee history
1987–2017Based in Tokyo, JP· patent location history
1998–2020Patents assigned to FUNAI ELECTRIC CO (7)· patent assignee history
1998–2014Patents assigned to NISSAN MOTOR (5)· patent assignee history
2000–2017Patents assigned to NIDEC COPAL CORP (12)· patent assignee history
2002–2011Based in Osaka, JP· patent location history
2005–2008Based in Fukushima, JP· patent location history
2006–2009Based in Daito, JP· patent location history
2008–2020Based in Saitama, JP· patent location history
2009–2020Patents assigned to FUJIFILM CORP (8)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIDEC COPAL CORP | 12 | 2000–2017 |
| COPAL CO LTD | 9 | 1987–1996 |
| FUJIFILM CORP | 8 | 2009–2020 |
| FUNAI ELECTRIC CO | 7 | 1998–2020 |
| NISSAN MOTOR | 5 | 1998–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 15 | 1987–2017 |
| Saitama, JP | 7 | 2008–2020 |
| Daito, JP | 4 | 2006–2009 |
| Osaka, JP | 3 | 2002–2011 |
| Fukushima, JP | 3 | 2005–2008 |