Growing community of inventors

CA

Keijiro Isobe

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 = 238

Keijiro Isobe ↔ Chiaki Tanaka (1 patent)Keijiro Isobe ↔ Shohei Minami (1 patent)Keijiro Isobe ↔ Hideshige Moriya (1 patent)Keijiro Isobe ↔ Yoshinori Nakata (1 patent)Keijiro Isobe ↔ Hiroshi Kitahara (1 patent)Keijiro IsobeKeijiro Isobe (1 patent)Chiaki TanakaChiaki Tanaka (18 patents)Shohei MinamiShohei Minami (1 patent)Hideshige MoriyaHideshige Moriya (1 patent)Yoshinori NakataYoshinori Nakata (1 patent)Hiroshi KitaharaHiroshi Kitahara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tanaka Medical Instrument Manufacturing Co. (1 from 1 patent)


1 patent:

1. 5010879 - Device for correcting spinal deformities

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as of
1/18/2026
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