Growing community of inventors

Tokyo, Japan

Koichi Izawa

Average Co-Inventor Count = 2.63

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 = 14

Koichi IzawaShintaro Nonaka (2 patents)Koichi IzawaYumi Ogura (2 patents)Koichi IzawaTsutomu Takahashi (1 patent)Koichi IzawaKiyoshi Asai (1 patent)Koichi IzawaToshihiko Kato (1 patent)Koichi IzawaTamio Nishino (1 patent)Koichi IzawaTaro Takamoto (1 patent)Koichi IzawaKiyohito Masuda (1 patent)Koichi IzawaYutaka Nakaone (1 patent)Koichi IzawaYumi Ogura (0 patent)Koichi IzawaKoichi Izawa (5 patents)Shintaro NonakaShintaro Nonaka (3 patents)Yumi OguraYumi Ogura (2 patents)Tsutomu TakahashiTsutomu Takahashi (70 patents)Kiyoshi AsaiKiyoshi Asai (68 patents)Toshihiko KatoToshihiko Kato (9 patents)Tamio NishinoTamio Nishino (4 patents)Taro TakamotoTaro Takamoto (2 patents)Kiyohito MasudaKiyohito Masuda (2 patents)Yutaka NakaoneYutaka Nakaone (1 patent)Yumi OguraYumi Ogura (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (3 from 58,130 patents)

2. Sony Mobile Communications Inc. (3 from 729 patents)

3. Smk Corporation (1 from 432 patents)

4. Sony Mobile Communications Japan, Inc. (42 patents)


5 patents:

1. 9761970 - Jack socket and electronic device

2. 9312709 - Charging stand

3. 9083112 - Magnetic coupling connector

4. 8853562 - Electromagnetic shielding method and electromagnetic shielding film

5. 8495815 - Electromagnetic shielding method and electromagnetic shielding film

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as of
12/29/2025
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