Inventor
Takahiro Osada
Inventor
Gunma, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B43Kprimary
B43KImplements for writing or drawing21%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy21%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution21%
C09DCoating compositions, e.g. paints, varnishes or lacquers12%
A45DHairdressing or shaving equipment2%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors2%
C01BNon-metallic elements2%
C09JAdhesives2%
F02PIgnition, other than compression ignition, for internal-combustion engines2%
F16LPipes2%
PatentTitleYear
10,947,064Pipe for transporting powder and method for transporting powder20219,087,028'Test method, test apparatus, and recording medium'20159,043,663'Apparatus and method for testing a memory'20158,820,569'Fuel container, fuel residual amount measurement device, and fuel residual amount measurement method'20148,173,318'Fuel reservoir for fuel cell'20127,883,815'Fuel-storing tank for fuel cell'20117,837,404'Applicator'20107,771,890'Method of preventing leak of liquid fuel'20107,687,178'Fuel container'20107,625,656'Direct methanol fuel cell'20097,615,305'Fuel reservoir for fuel cell'20097,579,096'Fuel reservoir for fuel cell'20097,556,877'Direct methanol fuel cell'20097,405,865'Liquid for electrophoretic display, display medium and display device using the same'20087,001,094'Writing utensil having excellent cap-off performance'20066,955,491'Marking pen with excellent cap-off performance'20056,761,496'Writing utensil'20046,737,781'Rotor yoke having a ring-like inductor forming member for an electric machine rotor'20046,734,233'Solid adhesive composition'20046,581,584'Ignition control system for internal combustion engine'20036,478,495'Capless writing instrument'20026,474,893'Writing instrument having excellent cap-off performance'20026,004,388'Non-aqueous ink for ball point pen, and ball point pen'19995,993,098'Aqueous gel ink-filled ball point pen'19995,868,511'Non-aqueous ink for ball point pen and ball point pen'19995,182,324'Alcoholic marking ink composition'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2014Patents assigned to MITSUBISHI PENCIL CO (21)· patent assignee history
1993–2009Based in Gunma, JP· patent location history
1999–2014Based in Tamamura, JP· patent location history
2003–2004Based in Numazu, JP· patent location history
2008–2012Based in Fujioka, JP· patent location history
2009–2014Patents assigned to CASIO COMPUTER CO LTD (5)· patent assignee history
2012–2014Patents assigned to KABASAWA YASUNARI (2)· patent assignee history
2012–2014Patents assigned to KAMITANI TOSHIMI (2)· patent assignee history
2015Patents assigned to FUJITSU LTD (2)· patent assignee history
2015Based in Itabashi-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI PENCIL CO | 21 | 1993–2014 |
| CASIO COMPUTER CO LTD | 5 | 2009–2014 |
| FUJITSU LTD | 2 | 2015 |
| KABASAWA YASUNARI | 2 | 2012–2014 |
| KAMITANI TOSHIMI | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gunma, JP | 8 | 1993–2009 |
| Fujioka, JP | 7 | 2008–2012 |
| Tamamura, JP | 6 | 1999–2014 |
| Itabashi-ku, JP | 2 | 2015 |
| Numazu, JP | 2 | 2003–2004 |