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Inventor

Kenji Ohara

Inventor
Yokohama, JP

Overview

17→
Patents
1980–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 17 as inventor

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

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy30%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution30%
Y02PClimate change mitigation technologies in the production or processing of goods15%
Y02TClimate change mitigation technologies related to transportation11%
G11BInformation storage based on relative movement between record carrier and transducer4%
C01GCompounds containing metals not covered by subclasses c01d or c01f2%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds2%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
11,133,525Lithium-ion secondary battery and method of producing the same202110,756,342Lithium ion secondary battery202010,714,787Lithium ion secondary battery202010,615,569Semiconductor laser with external resonator202010,270,127Nonaqueous electrolyte secondary battery201910,147,949Negative electrode material for lithium ion battery201810,033,033Non-aqueous electrolyte secondary battery201810,026,988Lithium ion secondary battery20189,899,674'Positive electrode active substance, positive electrode material, positive electrode, and non-aqueous electrolyte secondary battery'20189,716,266'Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same'20179,666,858'Negative electrode for secondary battery, and process for production thereof'20179,608,261'Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same'20178,927,149'Negative electrode for lithium ion secondary battery and battery using same'20158,715,861'Bipolar second battery with terminal plate including current suppressing device, battery pack and vehicle equipped with the same'20148,580,452'Fuel cell assembly'20134,896,234'Mode-change mechanism for tape recording and/or reproducing apparatus'19904,196,874'Drive apparatus for tape recorder'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Based in Chiba, JP· patent location history
2013–2019Patents assigned to NISSAN MOTOR (9)· patent assignee history
2013–2017Patents assigned to OHARA KENJI (4)· patent assignee history
2013–2018Based in Yokohama, JP· patent location history
2014–2017Patents assigned to HOSAKA KENJI (2)· patent assignee history
2018Patents assigned to AUTOMOTIVE ENERGY SUPPLY CORP (2)· patent assignee history
2018–2020Based in Zama, JP· patent location history
2019–2020Based in Kanagawa, JP· patent location history
2020Patents assigned to ENVISION AESC JAPAN LTD (2)· patent assignee history
2021Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NISSAN MOTOR92013–2019
OHARA KENJIself42013–2017
AUTOMOTIVE ENERGY SUPPLY CORP22018
ENVISION AESC JAPAN LTD22020
HOSAKA KENJI22014–2017
Locations
LocationPatentsSpan
Yokohama, JP82013–2018
Zama, JP42018–2020
Kanagawa, JP22019–2020
Osaka, JP12021
Chiba, JP11990