Akira MARUYAMA

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Antenna structure
- Patent number 11,276,920
- Issue date Mar 15, 2022
- 3M Innovative Properties Company
- Tomoyuki Soga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Structure, antenna structure, and radio wave shielding structure in...
- Patent number 11,145,969
- Issue date Oct 12, 2021
- Nihon Dengyo Kosaku Co., Ltd.
- Akira Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Structure, antenna structure, radio wave shielding structure, and t...
- Patent number 11,101,555
- Issue date Aug 24, 2021
- Nihon Dengyo Kosaku Co., Ltd.
- Hiroki Hagiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Antenna structure
- Patent number 10,938,085
- Issue date Mar 2, 2021
- Nihon Dengyo Kosaku Co., Ltd.
- Akira Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flexible printed circuit board structure and indoor partition wall
- Patent number 10,487,498
- Issue date Nov 26, 2019
- NIHON DENGYO KOSAKU CO., LTD.
- Hiroki Hagiwara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANTENNA STRUCTURE
- Publication number 20210075099
- Publication date Mar 11, 2021
- NIHON DENGYO KOSAKU CO., LTD.
- Tomoyuki Soga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STRUCTURE, ANTENNA STRUCTURE, AND RADIO WAVE SHIELDING STRUCTURE IN...
- Publication number 20200194883
- Publication date Jun 18, 2020
- NIHON DENGYO KOSAKU CO., LTD.
- Akira MARUYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ANTENNA STRUCTURE
- Publication number 20200194868
- Publication date Jun 18, 2020
- NIHON DENGYO KOSAKU CO.,LTD.
- Akira MARUYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
STRUCTURE, ANTENNA STRUCTURE, RADIO WAVE SHIELDING STRUCTURE, AND T...
- Publication number 20200083600
- Publication date Mar 12, 2020
- NIHON DENGYO KOSAKU CO., LTD.
- Hiroki HAGIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FLEXIBLE PRINTED CIRCUIT BOARD STRUCTURE AND INDOOR PARTITION WALL
- Publication number 20190112806
- Publication date Apr 18, 2019
- NIHON DENGYO KOSAKU CO., LTD.
- Hiroki HAGIWARA
- H01 - BASIC ELECTRIC ELEMENTS