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Inventor

Hitoshi Nakajima

Inventor
Yokohama, JP

Overview

19→
Patents
1976–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 19 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
B22FWorking metallic powder5%
C01BNon-metallic elements5%
H01BCables5%
H01HElectric switches5%
H05KPrinted circuits5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
10,998,556Catalyst for solid polymer fuel cell and method for producing same202110,562,018Electrode catalyst, and membrane electrode assembly and fuel cell using electrode catalyst20209,960,431Catalyst for solid polymer fuel cell and method for manufacturing the same20189,368,805'Catalyst for polymer electrolyte fuel cell and method for producing the same'20168,977,094'Optical fiber'20158,945,246'Method for producing liquefied fuel oil using biomass as feedstock'20156,436,866'Lewis acid catalyst composition'20026,284,696'Mesopore molecular sieve and process for the production thereof'20016,190,430'Method for producing hydrogen-containing gas for fuel cell'20016,188,172'Color picture tube using a thermal deformation member'20016,069,437'Thermal deformation member for electron tube and color picture tube using thereof, and thermal deformation member for electric current control and circuit breaker and using thereof'20005,850,342'Machine tool control system'19985,807,934'Method of removing foam during polymerization of vinyl chloride polymers'19985,413,974'Aluminum-containing oxide and process for producing aluminum-containing oxide'19955,242,511'Copper alloy compositions'19935,198,154'High temperature baking paste'19935,091,114'Conductive metal powders, process for preparation thereof and use thereof'19924,613,717'Process for producing a 1,4-dialkylbenzene'19863,937,669'Catalyst for methylation of phenols'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2002Patents assigned to ASAHI CHEMICAL IND (8)· patent assignee history
1986–1992Based in Kurashiki, JP· patent location history
1993–2002Based in Yokohama, JP· patent location history
1998–2015Patents assigned to SHINETSU CHEMICAL CO (2)· patent assignee history
2000–2001Patents assigned to TOSHIBA KK (2)· patent assignee history
2000–2001Based in Kobe, JP· patent location history
2015–2016Patents assigned to NAKAJIMA HITOSHI (2)· patent assignee history
2016–2021Patents assigned to TANAKA PRECIOUS METAL IND (4)· patent assignee history
2016–2020Based in Kanagawa, JP· patent location history
2018–2021Based in Hiratsuka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI CHEMICAL IND81976–2002
TANAKA PRECIOUS METAL IND42016–2021
NAKAJIMA HITOSHIself22015–2016
SHINETSU CHEMICAL CO21998–2015
TOSHIBA KK22000–2001
Locations
LocationPatentsSpan
Yokohama, JP61993–2002
Hiratsuka, JP22018–2021
Kanagawa, JP22016–2020
Kobe, JP22000–2001
Kurashiki, JP21986–1992