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Inventor

AKIRA MAEKAWA

Inventor
JP

Overview

3→
Patents
2022–2023
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy25%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%
PatentTitleYear
11,831,059Fuel cell stack and operation method for fuel cell stack202311,644,448Chromatography mass spectrometry and chromatograph mass spectrometer202311,320,410Chromatographic mass analysis device and control method2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to HITACHI HIGH TECH CORP (2)· patent assignee history
2022–2023Based in JP· patent location history
2023Patents assigned to TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP (1)· patent assignee history
2023Patents assigned to TOSHIBA KK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI HIGH TECH CORP22022–2023
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORP12023
TOSHIBA KK12023
Locations
LocationPatentsSpan
JP32022–2023