Growing community of inventors

Yokohama, Japan

Hiroyuki Maruoka

Average Co-Inventor Count = 1.31

ph-index = 10

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 244

Hiroyuki MaruokaHatsuo Nagaishi (3 patents)Hiroyuki MaruokaKenji Masaki (2 patents)Hiroyuki MaruokaSuzuo Suzuki (2 patents)Hiroyuki MaruokaYuji Matsubara (2 patents)Hiroyuki MaruokaYasuo Nakajima (1 patent)Hiroyuki MaruokaChan Chor Man (1 patent)Hiroyuki MaruokaGiichi Shioyama (1 patent)Hiroyuki MaruokaYoshikazu Banno (1 patent)Hiroyuki MaruokaSetsuzo Tachibana (1 patent)Hiroyuki MaruokaHiroyuki Maruoka (20 patents)Hatsuo NagaishiHatsuo Nagaishi (80 patents)Kenji MasakiKenji Masaki (53 patents)Suzuo SuzukiSuzuo Suzuki (18 patents)Yuji MatsubaraYuji Matsubara (5 patents)Yasuo NakajimaYasuo Nakajima (54 patents)Chan Chor ManChan Chor Man (32 patents)Giichi ShioyamaGiichi Shioyama (13 patents)Yoshikazu BannoYoshikazu Banno (3 patents)Setsuzo TachibanaSetsuzo Tachibana (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (10 from 13,402 patents)

2. Nifco Inc. (9 from 1,193 patents)


20 patents:

1. D467837 - Buckle

2. D465408 - Cord fastener

3. 6460232 - Buckle

4. D455337 - Cord fastener

5. D447442 - Buckle

6. 5893478 - Container for small articles with hidden cover locking device

7. D387726 - Peripheral molding for automobile window glass

8. 5695236 - Glass plate holding device

9. 5546704 - Glass holder

10. 5165324 - Piston-cylinder type air damper

11. 4280467 - Air-fuel mixture ratio control using electrostatic force

12. 4220045 - Mass flow measuring apparatus

13. 4203398 - Electrostatic apparatus for controlling flow rate of liquid

14. 4186601 - Mass flow measuring apparatus

15. 4183337 - Air-fuel mixture ratio control using electrostatic force

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as of
12/18/2025
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