Growing community of inventors

Hitachi, Japan

Kenzo Semba

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 = 9

Kenzo Semba ↔ Hiraku Ikeda (1 patent)Kenzo Semba ↔ Tooru Horie (1 patent)Kenzo Semba ↔ Toshiyuki Ueda (1 patent)Kenzo Semba ↔ Seio Kanda (1 patent)Kenzo SembaKenzo Semba (1 patent)Hiraku IkedaHiraku Ikeda (21 patents)Tooru HorieTooru Horie (2 patents)Toshiyuki UedaToshiyuki Ueda (1 patent)Seio KandaSeio Kanda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,485 patents)

2. Hitachi Engineering Services Co., Ltd. (1 from 30 patents)


1 patent:

1. 7177821 - Maintenance information management system and method of providing a maintenance plan

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12/6/2025
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