Growing community of inventors

Ibaraki, Japan

Masahiko Marumoto

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 = 0

Masahiko Marumoto ↔ Yoshihiro Waki (1 patent)Masahiko Marumoto ↔ Kenji Sakamoto (1 patent)Masahiko Marumoto ↔ Satoshi Hanamura (1 patent)Masahiko Marumoto ↔ Ronald C Orlowski (1 patent)Masahiko Marumoto ↔ Yoshihiro Waki (1 patent)Masahiko Marumoto ↔ Kenji Sakamoto (1 patent)Masahiko Marumoto ↔ Satoshi Hanamura (1 patent)Masahiko Marumoto ↔ Ronald C Orlowski (1 patent)Masahiko MarumotoMasahiko Marumoto (1 patent)Yoshihiro WakiYoshihiro Waki (2 patents)Kenji SakamotoKenji Sakamoto (1 patent)Satoshi HanamuraSatoshi Hanamura (1 patent)Ronald C OrlowskiRonald C Orlowski (1 patent)Yoshihiro WakiYoshihiro Waki (1 patent)Kenji SakamotoKenji Sakamoto (1 patent)Satoshi HanamuraSatoshi Hanamura (1 patent)Ronald C OrlowskiRonald C Orlowski (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tsumura Co., Ltd. (1 from 60 patents)

2. Ronald C. Orlowski (0 patent)

3. Yoshihiro Waki (0 patent)

4. Satoshi Hanamura (0 patent)

5. Masahiko Marumoto (0 patent)

6. Kenji Sakamoto (0 patent)


1 patent:

1. 6127519 - Calcitonin derivatives

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as of
12/17/2025
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