Growing community of inventors

Yokohama, Japan

Hiroaki Hayashi

Average Co-Inventor Count = 3.17

ph-index = 2

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 = 49

Hiroaki HayashiShingo Saito (3 patents)Hiroaki HayashiManabu Hosokawa (3 patents)Hiroaki HayashiYasuyuki Takeuchi (3 patents)Hiroaki HayashiYou Yamamori (2 patents)Hiroaki HayashiYoshiharu Ichikawa (2 patents)Hiroaki HayashiAkihito Miyazaki (2 patents)Hiroaki HayashiKenichi Takahashi (1 patent)Hiroaki HayashiKoichi Kawamura (1 patent)Hiroaki HayashiKimio Takeuchi (1 patent)Hiroaki HayashiTomoyuki Shibata (1 patent)Hiroaki HayashiKenji Yoshihiro (1 patent)Hiroaki HayashiHidetoshi Kanda (1 patent)Hiroaki HayashiMariko Koyama (1 patent)Hiroaki HayashiKazuhiro Toyama (1 patent)Hiroaki HayashiWataru Suzuki (1 patent)Hiroaki HayashiMasashi Ishikawa (1 patent)Hiroaki HayashiNatsuki Masuya (1 patent)Hiroaki HayashiYoshiaki Seto (1 patent)Hiroaki HayashiShigeru Aota (1 patent)Hiroaki HayashiHiromi Urano (1 patent)Hiroaki HayashiTakeyoshi Urata (1 patent)Hiroaki HayashiShinichiro Asano (1 patent)Hiroaki HayashiTatsunori Kikuchi (1 patent)Hiroaki HayashiHiroaki Hayashi (9 patents)Shingo SaitoShingo Saito (9 patents)Manabu HosokawaManabu Hosokawa (8 patents)Yasuyuki TakeuchiYasuyuki Takeuchi (4 patents)You YamamoriYou Yamamori (6 patents)Yoshiharu IchikawaYoshiharu Ichikawa (3 patents)Akihito MiyazakiAkihito Miyazaki (2 patents)Kenichi TakahashiKenichi Takahashi (56 patents)Koichi KawamuraKoichi Kawamura (12 patents)Kimio TakeuchiKimio Takeuchi (10 patents)Tomoyuki ShibataTomoyuki Shibata (7 patents)Kenji YoshihiroKenji Yoshihiro (6 patents)Hidetoshi KandaHidetoshi Kanda (6 patents)Mariko KoyamaMariko Koyama (3 patents)Kazuhiro ToyamaKazuhiro Toyama (2 patents)Wataru SuzukiWataru Suzuki (2 patents)Masashi IshikawaMasashi Ishikawa (2 patents)Natsuki MasuyaNatsuki Masuya (2 patents)Yoshiaki SetoYoshiaki Seto (2 patents)Shigeru AotaShigeru Aota (1 patent)Hiromi UranoHiromi Urano (1 patent)Takeyoshi UrataTakeyoshi Urata (1 patent)Shinichiro AsanoShinichiro Asano (1 patent)Tatsunori KikuchiTatsunori Kikuchi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyo Seikan Kaisha, Ltd. (5 from 586 patents)

2. Eiken Kagaku Kabushiki Kaisha (4 from 52 patents)

3. Kabushiki Kaisha Toshiba (2 from 52,751 patents)

4. Toyo Seikan Co., Ltd. (2 from 107 patents)

5. Meijo Co., Ltd. (1 from 1 patent)

6. Meiji Co., Ltd. (99 patents)


9 patents:

1. 9907541 - Stool collection container

2. 9867598 - Feces sampling container

3. 8490650 - Coupler for transferring a liquid or other material between containers

4. 8474636 - Twist-cut unsealing mechanism for container

5. 8434651 - Pouring member

6. 8201700 - Container for inspection

7. 6188755 - Key telephone system having a plurality of telephone numbers to key telephone set

8. 5514341 - Feces-sampling transport container

9. 5246669 - Sampling bottle

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as of
1/5/2026
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