Growing community of inventors

Ibaraki, Japan

Makoto Ishijima

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 = 4

Makoto Ishijima ↔ Tohru Miyata (1 patent)Makoto Ishijima ↔ Naoya Kawakami (1 patent)Makoto Ishijima ↔ Toshiyuki Hebaru (1 patent)Makoto Ishijima ↔ Noboru Yamamoto (1 patent)Makoto IshijimaMakoto Ishijima (1 patent)Tohru MiyataTohru Miyata (5 patents)Naoya KawakamiNaoya Kawakami (2 patents)Toshiyuki HebaruToshiyuki Hebaru (1 patent)Noboru YamamotoNoboru Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi Kenki Fine Tech Co., Ltd. (1 from 7 patents)


1 patent:

1. 6698291 - Ultrasonic inspection apparatus

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/6/2026
Loading…