Growing community of inventors

Tokyo, Japan

Hiroyasu Koizumi

Average Co-Inventor Count = 3.01

ph-index = 6

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 = 97

Hiroyasu KoizumiKatsumi Nakamura (7 patents)Hiroyasu KoizumiHideki Kobayashi (7 patents)Hiroyasu KoizumiKenji Makino (7 patents)Hiroyasu KoizumiHiroshi Chikuma (7 patents)Hiroyasu KoizumiMasaki Kimura (6 patents)Hiroyasu KoizumiToshiaki Yamamoto (5 patents)Hiroyasu KoizumiSatoshi Ishihara (5 patents)Hiroyasu KoizumiMakoto Tajima (5 patents)Hiroyasu KoizumiMinoru Tsuchiya (5 patents)Hiroyasu KoizumiKunio Matsugi (5 patents)Hiroyasu KoizumiYoshiki Tsuda (5 patents)Hiroyasu KoizumiJunichi Enari (5 patents)Hiroyasu KoizumiMamoru Baba (5 patents)Hiroyasu KoizumiHaruo Ikeda (2 patents)Hiroyasu KoizumiTatsuya Shioda (2 patents)Hiroyasu KoizumiTakahiro Yamaguchi (1 patent)Hiroyasu KoizumiHiroyuki Ishikawa (1 patent)Hiroyasu KoizumiTakeshi Shindo (1 patent)Hiroyasu KoizumiHisashi Onuki (1 patent)Hiroyasu KoizumiYoshihiro Kawai (1 patent)Hiroyasu KoizumiShuichi Masuyama (1 patent)Hiroyasu KoizumiDaisuke Hirao (1 patent)Hiroyasu KoizumiTetsuya Takebe (1 patent)Hiroyasu KoizumiHiroyasu Koizumi (20 patents)Katsumi NakamuraKatsumi Nakamura (86 patents)Hideki KobayashiHideki Kobayashi (80 patents)Kenji MakinoKenji Makino (50 patents)Hiroshi ChikumaHiroshi Chikuma (11 patents)Masaki KimuraMasaki Kimura (29 patents)Toshiaki YamamotoToshiaki Yamamoto (28 patents)Satoshi IshiharaSatoshi Ishihara (18 patents)Makoto TajimaMakoto Tajima (15 patents)Minoru TsuchiyaMinoru Tsuchiya (7 patents)Kunio MatsugiKunio Matsugi (5 patents)Yoshiki TsudaYoshiki Tsuda (5 patents)Junichi EnariJunichi Enari (5 patents)Mamoru BabaMamoru Baba (5 patents)Haruo IkedaHaruo Ikeda (15 patents)Tatsuya ShiodaTatsuya Shioda (11 patents)Takahiro YamaguchiTakahiro Yamaguchi (141 patents)Hiroyuki IshikawaHiroyuki Ishikawa (18 patents)Takeshi ShindoTakeshi Shindo (18 patents)Hisashi OnukiHisashi Onuki (3 patents)Yoshihiro KawaiYoshihiro Kawai (2 patents)Shuichi MasuyamaShuichi Masuyama (1 patent)Daisuke HiraoDaisuke Hirao (1 patent)Tetsuya TakebeTetsuya Takebe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Japan Aviation Electronics Industry, Limited (9 from 2,128 patents)

2. Calsonic Kansei Corporation (7 from 560 patents)

3. Calsonic Corporation (4 from 126 patents)


20 patents:

1. D848950 - Electrical connector

2. D848951 - Electrical connector

3. D837163 - Electrical connector

4. D837162 - Electrical connector

5. D822613 - Electrical connector part

6. D808341 - Electrical connector

7. D808342 - Electrical connector

8. D802539 - Electrical connector

9. 9548549 - Cable connection structure and cable arranging part

10. 7392837 - Integral-type heat exchanger

11. 7108049 - Integral-type heat exchanger

12. 6904964 - Heat exchanger core, and method of assembling the heat exchanger core

13. 6837304 - Integral-type heat exchanger

14. 6450253 - Tank of heat exchanger

15. 6364005 - Integral-type heat exchanger

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12/8/2025
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