Growing community of inventors

Hiroshima, Japan

Ryuji Karasawa

Average Co-Inventor Count = 3.91

ph-index = 4

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 = 50

Ryuji KarasawaMitsuaki Hoshi (3 patents)Ryuji KarasawaMasahisa Masukawa (3 patents)Ryuji KarasawaIchiro Joren (3 patents)Ryuji KarasawaKuniyoshi Konishi (1 patent)Ryuji KarasawaTakashi Moriya (1 patent)Ryuji KarasawaToru Kanemori (1 patent)Ryuji KarasawaYoshikazu Tabayashi (1 patent)Ryuji KarasawaKenko Yamaga (1 patent)Ryuji KarasawaNobuyuki Fujio (1 patent)Ryuji KarasawaKoji Araki (1 patent)Ryuji KarasawaYoshiki Okubo (1 patent)Ryuji KarasawaFumihiro Kanda (1 patent)Ryuji KarasawaRyuji Karasawa (6 patents)Mitsuaki HoshiMitsuaki Hoshi (13 patents)Masahisa MasukawaMasahisa Masukawa (6 patents)Ichiro JorenIchiro Joren (3 patents)Kuniyoshi KonishiKuniyoshi Konishi (16 patents)Takashi MoriyaTakashi Moriya (10 patents)Toru KanemoriToru Kanemori (7 patents)Yoshikazu TabayashiYoshikazu Tabayashi (4 patents)Kenko YamagaKenko Yamaga (1 patent)Nobuyuki FujioNobuyuki Fujio (1 patent)Koji ArakiKoji Araki (1 patent)Yoshiki OkuboYoshiki Okubo (1 patent)Fumihiro KandaFumihiro Kanda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Heavy Industries Limited (3 from 4,643 patents)

2. Mitsubishi Heavy Industries Engineering, Ltd. (1 from 115 patents)

3. Osaka Taiyu Co., Ltd. (1 from 9 patents)

4. Qb. Net Co., Ltd. (1 from 2 patents)


6 patents:

1. 10696188 - Vehicle

2. D786132 - Rolling stock doors

3. D757604 - End part of rolling stock

4. D755672 - Rolling stock

5. D496734 - Assembled store for beauty and hairdressing

6. 5131333 - Tiltable table

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1/22/2026
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