Growing community of inventors

Tokyo, Japan

Risako Koba

Average Co-Inventor Count = 4.00

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 = 0

Risako Koba ↔ Hiroaki Takeuchi (1 patent)Risako Koba ↔ Makoto Ogawa (16 patents)Risako Koba ↔ Shuichi Isayama (1 patent)Risako Koba ↔ Takuma Yamashita (11 patents)Risako Koba ↔ Mikito Sasaki (9 patents)Risako Koba ↔ Akihiko Yano (1 patent)Risako Koba ↔ Masahiro Nii (1 patent)Risako Koba ↔ Yoshiyuki Okada (0 patent)Risako KobaRisako Koba (1 patent)Hiroaki TakeuchiHiroaki Takeuchi (24 patents)Makoto OgawaMakoto Ogawa (16 patents)Shuichi IsayamaShuichi Isayama (16 patents)Takuma YamashitaTakuma Yamashita (11 patents)Mikito SasakiMikito Sasaki (9 patents)Akihiko YanoAkihiko Yano (8 patents)Masahiro NiiMasahiro Nii (1 patent)Yoshiyuki OkadaYoshiyuki Okada (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

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

2. Mitsubishi Heavy Industries Thermal Systems, Ltd. (167 patents)


1 patent:

1. 12195694 - Method for forming coating film and lubricating oil composition

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1/22/2026
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