Growing community of inventors

Sakai, Japan

Isamu Yamanishi

Average Co-Inventor Count = 2.40

ph-index = 5

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 = 117

Isamu YamanishiJunta Kuwae (3 patents)Isamu YamanishiTomeo Umemoto (1 patent)Isamu YamanishiMasao Takagi (1 patent)Isamu YamanishiKentaro Nakamura (1 patent)Isamu YamanishiYasuyuki Horii (1 patent)Isamu YamanishiTakao Nishikawa (1 patent)Isamu YamanishiKenji Kato (1 patent)Isamu YamanishiMasaaki Hama (1 patent)Isamu YamanishiIsamu Yamanishi (6 patents)Junta KuwaeJunta Kuwae (60 patents)Tomeo UmemotoTomeo Umemoto (16 patents)Masao TakagiMasao Takagi (10 patents)Kentaro NakamuraKentaro Nakamura (10 patents)Yasuyuki HoriiYasuyuki Horii (6 patents)Takao NishikawaTakao Nishikawa (4 patents)Kenji KatoKenji Kato (4 patents)Masaaki HamaMasaaki Hama (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kubota Corporation (5 from 2,699 patents)

2. Kabota Corporation (1 from 1 patent)


6 patents:

1. D576321 - Headlight portion of an agricultural tractor

2. D537455 - Hood portion for a tractor

3. 7040791 - Illumination apparatus having front and side illumination units

4. D498245 - Agricultural tractor

5. 6446521 - Tractor transmission

6. 4716775 - Transmission having cassette type supplementary change speed apparatus

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idiyas.com
as of
1/10/2026
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