Growing community of inventors

Kamakura, Japan

Katsumi Tomiyama

Average Co-Inventor Count = 10.00

ph-index = 2

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 = 11

Katsumi TomiyamaHironobu Tsutsumi (2 patents)Katsumi TomiyamaMitsunobu Esaki (2 patents)Katsumi TomiyamaMitsuhiko Kanda (2 patents)Katsumi TomiyamaShigefumi Kimura (2 patents)Katsumi TomiyamaChiharu Miyazaki (2 patents)Katsumi TomiyamaNaoto Oka (2 patents)Katsumi TomiyamaToshio Ootake (2 patents)Katsumi TomiyamaSunao Hiraki (2 patents)Katsumi TomiyamaSachio Igawa (2 patents)Katsumi TomiyamaKatsumi Tomiyama (2 patents)Hironobu TsutsumiHironobu Tsutsumi (5 patents)Mitsunobu EsakiMitsunobu Esaki (4 patents)Mitsuhiko KandaMitsuhiko Kanda (2 patents)Shigefumi KimuraShigefumi Kimura (2 patents)Chiharu MiyazakiChiharu Miyazaki (2 patents)Naoto OkaNaoto Oka (2 patents)Toshio OotakeToshio Ootake (2 patents)Sunao HirakiSunao Hiraki (2 patents)Sachio IgawaSachio Igawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Denki Kabushiki Kaisha (2 from 21,351 patents)


2 patents:

1. 5367275 - Laminate LC filter having combined condenser and coil functions

2. 5227746 - Laminate LC filter having combined condenser and coil functions

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as of
12/7/2025
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