Inventor
Yoshinobu Okumura
Inventor
Yamatokoriyama, JP
Overview
21→
Patents
1994–2014
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification17%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy15%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution15%
G11BInformation storage based on relative movement between record carrier and transducer13%
G03GElectrography10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y02PClimate change mitigation technologies in the production or processing of goods8%
B21BRolling of metal2%
B41JTypewriters2%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%
PatentTitleYear
8,737,884'Charging member and electrophotographic image forming apparatus'20148,603,697'Catalyst layer for solid polymer electrolyte fuel cell including catalyst with dendritic structure and method of producing the same'20137,841,596'Sheet feeder'20107,790,647'Catalyst layer for polymer electrolyte fuel cell, process for producing the catalyst layer, and polymer electrolyte fuel cell'20107,727,674'Nonaqueous secondary battery'20107,668,494'Fixing apparatus'20107,366,447'Image forming apparatus having non-contact charging roller'20087,280,947'Gear-driving-system designing system'20077,258,948'Non-aqueous electrolyte secondary battery and manufacturing methods of an electrode used therein'20077,163,565'Electrode plate for secondary battery, method of manufacturing the same, and secondary battery using the same'20076,783,887'Method and apparatus for manufacturing battery module and unit battery cell for use in battery module'20046,599,660'Battery module and method of manufacturing thereof'20036,049,345'Image forming apparatus selectively charging toner using doctor blade'20006,030,076'Ink jet dyeing apparatus'20006,014,292'Magnetic recording medium and magnetic head assembly with a medium magnetic coating having a high product of residual magnetization and thickness'20005,837,389'Metal thin film magnetic recording medium having a Cr Ta Cu underlayer and a copt magnetic layer'19985,789,090'Metallic thin-film magnetic recording media'19985,700,593'Metal thin film magnetic recording medium and manufacturing method thereof'19975,585,893'Image forming apparatus'19965,480,733'Metal thin film magnetic recording medium'19965,314,745'Magnetic recording medium having a glass substrate, heat retaining non magnetic metal layer formed over the substrate, amorphous nip layer, Cr layer and magnetic layer'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2000Patents assigned to KUBOTA KK (4)· patent assignee history
1996–2010Patents assigned to SHARP KK (7)· patent assignee history
1996–2010Based in Yamatokoriyama, JP· patent location history
1996–2000Based in Osaka, JP· patent location history
1998Patents assigned to STORMEDIA INC (2)· patent assignee history
1998Based in Takarazuka, JP· patent location history
2003–2010Patents assigned to SANYO ELECTRIC CO (5)· patent assignee history
2003–2010Based in Sumoto, JP· patent location history
2010–2014Patents assigned to CANON KK (3)· patent assignee history
2010–2014Based in Machida, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SHARP KK | 7 | 1996–2010 |
| SANYO ELECTRIC CO | 5 | 2003–2010 |
| KUBOTA KK | 4 | 1994–2000 |
| CANON KK | 3 | 2010–2014 |
| STORMEDIA INC | 2 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamatokoriyama, JP | 5 | 1996–2010 |
| Sumoto, JP | 5 | 2003–2010 |
| Osaka, JP | 3 | 1996–2000 |
| Machida, JP | 2 | 2010–2014 |
| Takarazuka, JP | 2 | 1998 |