Growing community of inventors

Hitachi, Japan

Koichi Kawaguchi

Average Co-Inventor Count = 5.92

ph-index = 5

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 = 224

Koichi KawaguchiSetsuo Arita (5 patents)Koichi KawaguchiYukiharu Ohga (5 patents)Koichi KawaguchiHiroshi Seki (4 patents)Koichi KawaguchiHiroyuki Yuchi (4 patents)Koichi KawaguchiAkira Kaji (3 patents)Koichi KawaguchiYukio Nagaoka (3 patents)Koichi KawaguchiTakaharu Fukuzaki (1 patent)Koichi KawaguchiTetsuo Ito, Deceased (1 patent)Koichi KawaguchiKoichi Kawaguchi (5 patents)Setsuo AritaSetsuo Arita (31 patents)Yukiharu OhgaYukiharu Ohga (9 patents)Hiroshi SekiHiroshi Seki (20 patents)Hiroyuki YuchiHiroyuki Yuchi (4 patents)Akira KajiAkira Kaji (7 patents)Yukio NagaokaYukio Nagaoka (6 patents)Takaharu FukuzakiTakaharu Fukuzaki (7 patents)Tetsuo Ito, DeceasedTetsuo Ito, Deceased (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (5 from 42,517 patents)


5 patents:

1. 6188388 - Information presentation apparatus and information display apparatus

2. 5835078 - Information presentation apparatus and information display apparatus

3. 5712658 - Information presentation apparatus and information display apparatus

4. 5677993 - Information processing apparatus using pointing input and speech input

5. 5581242 - Automatic alarm display processing system in plant

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