Hiroshi Akai

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Mie, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sliding member and method for producing same
- Patent number 11,007,572
- Issue date May 18, 2021
- NTN Corporation
- Yoshinori Ito
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Waveguide slot antenna and method for producing same
- Patent number 10,355,364
- Issue date Jul 16, 2019
- NTN Corporation
- Tomokazu Sonozaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
INTERNAL GEAR PUMP
- Publication number 20210180591
- Publication date Jun 17, 2021
- NTN Corporation
- Tomokazu SONOZAKI
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
INTERNAL GEAR PUMP
- Publication number 20210131428
- Publication date May 6, 2021
- NTN Corporation
- Kei HATTORI
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
INTERNAL GEAR PUMP
- Publication number 20180274539
- Publication date Sep 27, 2018
- NTN Corporation
- Hajime ASADA
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
WAVEGUIDE SLOT ANTENNA AND METHOD FOR PRODUCING SAME
- Publication number 20180254563
- Publication date Sep 6, 2018
- NTN Corporation
- Tomokazu SONOZAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SLIDING MEMBER AND METHOD FOR PRODUCING SAME
- Publication number 20180236553
- Publication date Aug 23, 2018
- NTN CORPORATION
- Yoshinori ITO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SINTERED METAL BEARING
- Publication number 20150043844
- Publication date Feb 12, 2015
- NTN Corporation
- Masaharu Hori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...