Hirofumi Maruyama

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Nagano-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
R/D conversion method and R/D converter
- Patent number 12,191,872
- Issue date Jan 7, 2025
- TAMAGAWA SEIKI CO., LTD.
- Hiroshi Kushihara
- G01 - MEASURING TESTING
Information Patent Grant
Magnet wire bonding method and bonding structure
- Patent number 11,253,947
- Issue date Feb 22, 2022
- TAMAGAWA SEIKI CO., LTD.
- Hiroshi Kushihara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Trigonometric function calculating device
- Patent number 11,226,792
- Issue date Jan 18, 2022
- Lapis Semiconductor Co., Ltd.
- Masato Yamazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Phase modulation-type redundant two-phase-output resolver and signa...
- Patent number 10,084,472
- Issue date Sep 25, 2018
- TAMAGAWA SEIKI CO., LTD.
- Hiroshi Kushihara
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
R/D CONVERSION METHOD AND R/D CONVERTER
- Publication number 20220329249
- Publication date Oct 13, 2022
- Tamagawa Seiki Co., Ltd.
- Hiroshi KUSHIHARA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TRIGONOMETRIC FUNCTION CALCULATING DEVICE
- Publication number 20210004207
- Publication date Jan 7, 2021
- LAPIS Semiconductor Co., Ltd.
- Masato YAMAZAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNET WIRE BONDING METHOD AND BONDING STRUCTURE
- Publication number 20200061735
- Publication date Feb 27, 2020
- Tamagawa Seiki Co., Ltd.
- Hiroshi KUSHIHARA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR