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For the Inventor, By the Inventor

Ehime, Japan

Tomomichi Nihei

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignee: Sumitomo Metal Mining Company, Ltd.. Active years: 2016-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomomichi Nihei. Retrieved from https://idiyas.com/inventor/tomomichi-nihei

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 5

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.9

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Ehime, JP (2016 - 2021)
  • Niihama, JP (2023)

Company Filing History:

goldMedal5 out of 898 
 
Sumitomo Metal Mining Company, Ltd.
 patents

Years Active: 2016-2023

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5 patents (USPTO):Explore Patents
1. 11569504 - Positive electrode active material for lithium ion secondary batteries and method for producing same (2023-01-31),
2. 11133504 - Nickel complex oxide and method of manufacturing lithium nickel complex oxide (2021-09-28),
3. 10797316 - Coated nickel hydroxide powder for alkali secondary battery positive electrode active material and method of producing same (2020-10-06),
4. 10680239 - Coated nickel hydroxide powder for alkali secondary battery positive electrode active material and method of producing same (2020-06-09),
5. 9231250 - Nickel-cobalt-manganese composite hydroxide and method for manufacturing same (2016-01-05),
Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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