Inventor

KAWAKAMI AKIRA

JP67 patents

⚠️ This page may combine multiple inventors who share the name “KAWAKAMI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAWAKAMI AKIRA

HITACHI MAXELL

Electrochromic display device

Electrochromic display device

Organic electrolyte solution type cell

Organic electrolytic solution secondary cell

Lithium secondary battery containing organic electrolyte, active material for cathode thereof, and method for manufacturing the active material

Lithium cell

Organic electrolytic solution cell

Ionic conductive polymer electrolyte and cell comprising the same

Reduction catalysts and processes for reduction of nitrogen oxides

Layer built cell

Organic electrolytic solution cell

Organic electrolytic solution and organic electrolytic solution cell

Organic electrolyte solution type cell

Non-aqueous secondary cell

Ion conductive material and electrochemical device comprising the same

Lithium cell with a cathode comprising a copper compound oxide

HITACHI METALS LTD

Sputtering target for magnetic recording medium and method of producing the same

Composite material for electronic part and method of producing same

Bias material, magnetic marker and method of producing the bias material

Production method for semirigid magnetic material and semirigid material and magnetic marker using it

TOTO LTD

Method of producing a carbide sintered compact

Solid oxide fuel cell with lanthanum-gallate oxide and having high output performance

Solid oxide fuel cell

Solid oxide fuel cell device

NIPPON STEEL CORP

Martensitic stainless steel having excellent hot workability and sulfide stress cracking resistance

α+βtitanium alloy extruded shape

High-corrosion-resistant martensitic stainless steel having excellent weldability and process for producing the same

LION FAT OIL CO LTD

Process for producing clear aqueous solution of magnesium salt of anionic surface active agent

Process of manufacturing high-concentration olefin sulfonate solution

Process for producing magnesium salt of sulfonic acid and sulfuric ester

PIONEER ELECTRONIC CORP

System for discriminating optical discs

System for discriminating optical discs

Disc player control system for quickly placing disc player in command ready state

NAT INST INF & COMM TECH

Method of forming a superconductor film

Method for fabricating thin layer device

Electromagnetic wave detection element and electromagnetic wave detection device using the same

KONISHIROKU PHOTO IND

Magnetic recording medium comprising a magnetic layer and a backcoat layer

Magnetic recording medium

Magnetic recording medium having a plurality of magnetic layers and a specified relationship of bending stiffness

FURUKAWA ELECTRIC CO LTD

Ultrathin copper foil with carrier and printed circuit board using same

Ultrathin copper foil with carrier and printed circuit board using same

KAWAKAMI AKIRA

Titanium alloy for golf club face

Alpha and beta titanium alloy sheet excellent in cold rollability and cold handling property and process for producing the same

MITSUBISHI ELECTRIC CORP

PNPN semiconductor device

Method of controlling switching of PNPN semiconductor switching device

WATANABE NAOKI

Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of them

Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of them

COMM RES LAB INDEPENDENT ADMIN

Method of forming a superconductor film

NAT AGRICULTURAL RES ORG

Low temperature expression cDNAs encoding fructan synthesizing enzymes and method of isolating the same

KOBE STEEL LTD

Steel sheet for hot-dip galvanizing, hot-dip galvanized steel sheet, and alloyed hot-dip galvannealed steel sheet