Growing community of inventors

Hiroshima, Japan

Kazue Sumida

Average Co-Inventor Count = 3.45

ph-index = 6

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 = 88

Kazue SumidaAkira Ito (6 patents)Kazue SumidaMinoru Toyota (5 patents)Kazue SumidaNaomune Moriyama (2 patents)Kazue SumidaFumio Okana (1 patent)Kazue SumidaTakashi Mizuma (1 patent)Kazue SumidaShirou Nakatani (1 patent)Kazue SumidaHirotaka Kusu (1 patent)Kazue SumidaYasuhiro Kohara (1 patent)Kazue SumidaNobuyuki Ikemoto (1 patent)Kazue SumidaTakao Maruko (1 patent)Kazue SumidaYoshitaka Inoue (1 patent)Kazue SumidaKazue Sumida (8 patents)Akira ItoAkira Ito (8 patents)Minoru ToyotaMinoru Toyota (10 patents)Naomune MoriyamaNaomune Moriyama (13 patents)Fumio OkanaFumio Okana (8 patents)Takashi MizumaTakashi Mizuma (7 patents)Shirou NakataniShirou Nakatani (5 patents)Hirotaka KusuHirotaka Kusu (4 patents)Yasuhiro KoharaYasuhiro Kohara (4 patents)Nobuyuki IkemotoNobuyuki Ikemoto (3 patents)Takao MarukoTakao Maruko (2 patents)Yoshitaka InoueYoshitaka Inoue (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mazda Motor Corporation (8 from 4,680 patents)


8 patents:

1. 7823950 - Seat device for vehicle

2. 7527315 - Seat device for vehicle

3. 7487998 - Fuel tank arrangement structure for vehicle

4. 7347475 - Automobile rear body structure

5. 7252318 - Seat device for vehicle

6. 7252319 - Seat device for vehicle

7. 7140642 - Fuel tank disposition structure of vehicle

8. 7040685 - Seat storing structure for a vehicle

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as of
12/30/2025
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