Growing community of inventors

Kashiwa, Japan

Toru Hayama

Average Co-Inventor Count = 6.46

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 = 27

Toru HayamaKazue Takahashi (1 patent)Toru HayamaIsao Nakajima (1 patent)Toru HayamaTakao Terayama (1 patent)Toru HayamaYasunori Hamada (1 patent)Toru HayamaKenji Okuna (1 patent)Toru HayamaJunichi Oizumi (1 patent)Toru HayamaMichihiro Watanabe (1 patent)Toru HayamaKousuke Noda (1 patent)Toru HayamaSumihisa Kotani (1 patent)Toru HayamaHaruo Yamanaka (1 patent)Toru HayamaKoji Tagusari (1 patent)Toru HayamaToru Hayama (2 patents)Kazue TakahashiKazue Takahashi (57 patents)Isao NakajimaIsao Nakajima (37 patents)Takao TerayamaTakao Terayama (33 patents)Yasunori HamadaYasunori Hamada (22 patents)Kenji OkunaKenji Okuna (17 patents)Junichi OizumiJunichi Oizumi (15 patents)Michihiro WatanabeMichihiro Watanabe (15 patents)Kousuke NodaKousuke Noda (7 patents)Sumihisa KotaniSumihisa Kotani (7 patents)Haruo YamanakaHaruo Yamanaka (4 patents)Koji TagusariKoji Tagusari (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,485 patents)

2. Hitachi Koki Co., Ltd. (1 from 1,267 patents)


2 patents:

1. 4864108 - Apparatus for recording transactions and a recording method therefor

2. 4392423 - Printing hammer driving apparatus

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/7/2025
Loading…