Growing community of inventors

Sakai, Japan

Hirozo Takegawa

Average Co-Inventor Count = 3.96

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 = 35

Hirozo TakegawaHisashi Kodama (4 patents)Hirozo TakegawaTomoko Kitamura (3 patents)Hirozo TakegawaHidenobu Shintaku (2 patents)Hirozo TakegawaYuji Inoue (2 patents)Hirozo TakegawaIsamu Inoue (2 patents)Hirozo TakegawaRyutarou Akutagawa (2 patents)Hirozo TakegawaHiroyuki Miyamoto (2 patents)Hirozo TakegawaKayoko Kodama (2 patents)Hirozo TakegawaShigeo Suzuki (1 patent)Hirozo TakegawaShigeyuki Inoue (1 patent)Hirozo TakegawaHirozo Takegawa (6 patents)Hisashi KodamaHisashi Kodama (18 patents)Tomoko KitamuraTomoko Kitamura (4 patents)Hidenobu ShintakuHidenobu Shintaku (19 patents)Yuji InoueYuji Inoue (8 patents)Isamu InoueIsamu Inoue (7 patents)Ryutarou AkutagawaRyutarou Akutagawa (2 patents)Hiroyuki MiyamotoHiroyuki Miyamoto (2 patents)Kayoko KodamaKayoko Kodama (2 patents)Shigeo SuzukiShigeo Suzuki (34 patents)Shigeyuki InoueShigeyuki Inoue (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Matsushita Electric Industrial Co., Ltd. (5 from 27,375 patents)

2. Matsushita Seiko Co., Ltd. (1 from 33 patents)

3. Matsushita Electric Ind. Co., Ltd. (1 from 13 patents)


6 patents:

1. 5678758 - Temperature control device of a heating or cooling apparatus for saving

2. 5477698 - Air conditioner

3. 5267450 - Air conditioning apparatus

4. 5132506 - Vacuum evaporation apparatus and method for making vacuum evaporated

5. 5129233 - Automatic operation control system for air conditioner

6. 5098742 - Method for supplying vacuum evaporation material

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as of
1/21/2026
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