Inventor

Subramanian Venkatachalam

Inventor
Pleasanton, CA, US

Overview

25→
Patents
2013–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 25 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 energy23%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution23%
C01GCompounds containing metals not covered by subclasses c01d or c01f10%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds10%
Y02TClimate change mitigation technologies related to transportation10%
Y02PClimate change mitigation technologies in the production or processing of goods6%
B82YSpecific uses or applications of nanostructures4%
H01BCables4%
C01BNon-metallic elements3%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium3%
PatentTitleYear
11,094,925Electrodes with silicon oxide active materials for lithium ion cells achieving high capacity, high energy density and long cycle life performance202110,553,871Battery cell engineering and design to reach high energy202010,290,871Battery cell engineering and design to reach high energy201910,193,135Positive electrode active materials with composite coatings for high energy density secondary batteries and corresponding processes201910,170,762Lithium metal oxides with multiple phases and stable high energy electrochemical cycling201910,115,962High capacity cathode material with stabilizing nanocoatings201810,020,491Silicon-based active materials for lithium ion batteries and synthesis with solution processing201810,003,068High capacity anode materials for lithium ion batteries20189,960,424Positive electrode materials for high discharge capacity lithium ion batteries20189,923,195'Lithium ion batteries with supplemental lithium'20189,843,041'Coated positive electrode materials for lithium ion batteries'20179,552,901'Lithium ion batteries with high energy density, excellent cycling capability and low internal impedance'20179,190,694'High capacity anode materials for lithium ion batteries'20159,166,222'Lithium ion batteries with supplemental lithium'20159,139,441'Porous silicon based anode material formed using metal reduction'20159,070,489'Mixed phase lithium metal oxide compositions with desirable battery performance'20158,916,294'Fluorine doped lithium rich metal oxide positive electrode battery materials with high specific capacity and corresponding batteries'20148,765,306'High voltage battery formation protocols and control of charging and discharging for desirable long term cycling performance'20148,741,485'Layer-layer lithium rich complex metal oxides with high specific capacity and excellent cycling'20148,663,849'Metal halide coatings on lithium ion battery positive electrode materials and corresponding batteries'20148,535,832'Metal oxide coated positive electrode materials for lithium-based batteries'20138,475,959'Lithium doped cathode material'20138,465,873'Positive electrode materials for high discharge capacity lithium ion batteries'20138,394,534'Layer-layer lithium rich complex metal oxides with high specific capacity and excellent cycling'20138,389,160'Positive electrode materials for lithium ion batteries having a high specific discharge capacity and processes for the synthesis of these materials'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2019Patents assigned to ENVIA SYSTEMS INC (21)· patent assignee history
2013–2020Patents assigned to VENKATACHALAM SUBRAMANIAN (15)· patent assignee history
2013–2020Patents assigned to KUMAR SUJEET (13)· patent assignee history
2013–2020Patents assigned to LOPEZ HERMAN A (11)· patent assignee history
2013–2020Based in Pleasanton, CA, US· patent location history
2013Based in Fremont, CA, US· patent location history
2017–2021Patents assigned to ZENLABS ENERGY INC (10)· patent assignee history
2021Based in Pleasonton, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENVIA SYSTEMS INC212013–2019
VENKATACHALAM SUBRAMANIANself152013–2020
KUMAR SUJEET132013–2020
LOPEZ HERMAN A112013–2020
ZENLABS ENERGY INC102017–2021
Locations
LocationPatentsSpan
Pleasanton, California, US222013–2020
Fremont, California, US22013
Pleasonton, California, US12021