Growing community of inventors

Nara, Japan

Masayuki Isaka

Average Co-Inventor Count = 6.00

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 = 2

Masayuki Isaka ↔ Takashi Hirano (1 patent)Masayuki Isaka ↔ Shiro Inoue (1 patent)Masayuki Isaka ↔ Kazunori Koba (1 patent)Masayuki Isaka ↔ Shoichi Momose (1 patent)Masayuki Isaka ↔ Hidetaka Sawada (1 patent)Masayuki IsakaMasayuki Isaka (1 patent)Takashi HiranoTakashi Hirano (11 patents)Shiro InoueShiro Inoue (6 patents)Kazunori KobaKazunori Koba (5 patents)Shoichi MomoseShoichi Momose (4 patents)Hidetaka SawadaHidetaka Sawada (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Zosen Corporation (1 from 278 patents)


1 patent:

1. 5250117 - Degreasing-cleaning method

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1/3/2026
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