Growing community of inventors

Saitama, Japan

Isamu Kawaji

Average Co-Inventor Count = 5.00

ph-index = 1

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 = 5

Isamu Kawaji ↔ Tadamori Sakakibara (1 patent)Isamu Kawaji ↔ Akira Yamazaki (1 patent)Isamu Kawaji ↔ Setsuo Yoshida (1 patent)Isamu Kawaji ↔ Tatsuo Yoshioka (1 patent)Isamu KawajiIsamu Kawaji (1 patent)Tadamori SakakibaraTadamori Sakakibara (8 patents)Akira YamazakiAkira Yamazaki (2 patents)Setsuo YoshidaSetsuo Yoshida (2 patents)Tatsuo YoshiokaTatsuo Yoshioka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (1 from 36,499 patents)

2. Tonen Corporation (1 from 141 patents)


1 patent:

1. 5391307 - Lubricating oil composition

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12/9/2025
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