Growing community of inventors

Tokyo, Japan

Toshiharu Ishikawa

Average Co-Inventor Count = 2.40

ph-index = 4

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 = 157

Toshiharu IshikawaShigeru Nakano (2 patents)Toshiharu IshikawaKenji Ueda (1 patent)Toshiharu IshikawaYuji Kondo (1 patent)Toshiharu IshikawaHiroyuki Nishimura (1 patent)Toshiharu IshikawaSatoru Hamada (1 patent)Toshiharu IshikawaMitsuru Suzuki (1 patent)Toshiharu IshikawaKazuo Umeda (1 patent)Toshiharu IshikawaToshiharu Ishikawa (5 patents)Shigeru NakanoShigeru Nakano (7 patents)Kenji UedaKenji Ueda (133 patents)Yuji KondoYuji Kondo (62 patents)Hiroyuki NishimuraHiroyuki Nishimura (41 patents)Satoru HamadaSatoru Hamada (14 patents)Mitsuru SuzukiMitsuru Suzuki (10 patents)Kazuo UmedaKazuo Umeda (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dai Nippon Printing Co., Ltd. (3 from 3,192 patents)

2. Dai Nippon Insatsu Kabushiki Kaisha (1 from 412 patents)

3. Tyco Electronics Amp K.k. (1 from 265 patents)


5 patents:

1. 7060953 - Automatic cooking system and microwave oven

2. 6892545 - Automatic refrigerator system, refrigerator, automatic cooking system, and microwave oven

3. 6296513 - Electrical terminal for terminating at least two wires therein

4. 5798850 - Method of and apparatus for duplicating hologram and duplicate hologram

5. 5138604 - Optical recording method having two degrees of reflectivity and a

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as of
12/7/2025
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