Growing community of inventors

Kanagawa, Japan

Hiroko Katayama

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

Hiroko KatayamaKiyoshi Hoshi (3 patents)Hiroko KatayamaAzusa Kobayashi (3 patents)Hiroko KatayamaHiroyasu Fujita (3 patents)Hiroko KatayamaHiromu Morishita (3 patents)Hiroko KatayamaHiroko Katayama (3 patents)Kiyoshi HoshiKiyoshi Hoshi (22 patents)Azusa KobayashiAzusa Kobayashi (20 patents)Hiroyasu FujitaHiroyasu Fujita (3 patents)Hiromu MorishitaHiromu Morishita (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nissan Motor Company Limited (3 from 13,419 patents)


3 patents:

1. 12330625 - Control method for series hybrid vehicle and series hybrid vehicle

2. 12269455 - Method for controlling series hybrid vehicle, and series hybrid vehicle

3. 11851045 - Series hybrid vehicle control method and series hybrid vehicle control device

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as of
1/22/2026
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