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Hiroyuki Akiyama

USPTO Granted Patents = 10 (Patent Applications = 3)

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 78(Granted Patents)

Location History:

Katsuta, JP (1986 - 1993)
Tokyo, JP (2008 - 2023)

Company Filing History:

Subaru Corporation

3 out of 42,485

Oki Semiconductor Co., Ltd.

4. 1 out of 4,979

Oki Electric Industry Co., Ltd.

5. 1 out of 702

Lapis Semiconductor Co., Ltd.

Years Active: 1986-2025

where 'Filed Patents' based on already Granted Patents

10 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 12454250 - Drive motor control system and snow removal system for vehicle (2025-10-28),

2. 11760338 - Vehicle control apparatus (2023-09-19),

3. 11607953 - Vehicle control system (2023-03-21),

4. 9822745 - Injector drive device (2017-11-21),

5. 8175048 - Multi-hop wireless communication system (2012-05-08),

6. 7577434 - Handover method in wireless LAN by assigning an identification code to a mobile station (2009-08-18),

7. 7356335 - Wireless communication apparatus (2008-04-08),

8. 7336156 - Communication apparatus, communication method and installation method of railway vehicle-facility intra communication system (2008-02-26),

9. 5214557 - D.C. vacuum circuit breaker for an electric motor vehicle (1993-05-25),

10. 4564774 - Binary logic device having input and output alternating signals (1986-01-14),

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