Growing community of inventors

Tokyo, Japan

Hirotaka Kobayashi

Average Co-Inventor Count = 2.84

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 = 69

Hirotaka KobayashiToshiaki Iwafuchi (14 patents)Hirotaka KobayashiMasahiko Shimizu (14 patents)Hirotaka KobayashiKazuhiro Akatsu (3 patents)Hirotaka KobayashiAkitomo Kuwabara (2 patents)Hirotaka KobayashiMasahiro Ariyama (2 patents)Hirotaka KobayashiYuuji Ohmura (2 patents)Hirotaka KobayashiKoichi Shinoda (2 patents)Hirotaka KobayashiTomoshi Ohde (2 patents)Hirotaka KobayashiHirofumi Ohkushi (2 patents)Hirotaka KobayashiYoshitaka Akiyama (2 patents)Hirotaka KobayashiYukio Asami (2 patents)Hirotaka KobayashiYutaka Nagasawa (2 patents)Hirotaka KobayashiMitsuru Kawakami (2 patents)Hirotaka KobayashiYasuaki Suzuki (2 patents)Hirotaka KobayashiKiyonori Oyu (1 patent)Hirotaka KobayashiHiroshi Horii (1 patent)Hirotaka KobayashiHiroshi Ando (1 patent)Hirotaka KobayashiKoji Hamada (1 patent)Hirotaka KobayashiNobuyuki Kobayashi (1 patent)Hirotaka KobayashiKentaro Akiyama (1 patent)Hirotaka KobayashiSho Sawahata (1 patent)Hirotaka KobayashiKensuke Okonogi (1 patent)Hirotaka KobayashiTakayuki Ezaki (1 patent)Hirotaka KobayashiTetsuya Aoki (1 patent)Hirotaka KobayashiTsuyoshi Hagiwara (1 patent)Hirotaka KobayashiShigeru Morinaga (1 patent)Hirotaka KobayashiKahei Nakamura (1 patent)Hirotaka KobayashiGenichiro Kawamichi (1 patent)Hirotaka KobayashiYoshikazu Endo (1 patent)Hirotaka KobayashiHideharu Miki (1 patent)Hirotaka KobayashiToshiki Koyama (1 patent)Hirotaka KobayashiNaoki Matsushita (1 patent)Hirotaka KobayashiKimio Momose (1 patent)Hirotaka KobayashiTatsuya Itou (1 patent)Hirotaka KobayashiKeiichi Watanabe (1 patent)Hirotaka KobayashiJoshikazu Endo (0 patent)Hirotaka KobayashiHirotaka Kobayashi (33 patents)Toshiaki IwafuchiToshiaki Iwafuchi (68 patents)Masahiko ShimizuMasahiko Shimizu (24 patents)Kazuhiro AkatsuKazuhiro Akatsu (20 patents)Akitomo KuwabaraAkitomo Kuwabara (16 patents)Masahiro AriyamaMasahiro Ariyama (14 patents)Yuuji OhmuraYuuji Ohmura (11 patents)Koichi ShinodaKoichi Shinoda (11 patents)Tomoshi OhdeTomoshi Ohde (7 patents)Hirofumi OhkushiHirofumi Ohkushi (7 patents)Yoshitaka AkiyamaYoshitaka Akiyama (6 patents)Yukio AsamiYukio Asami (6 patents)Yutaka NagasawaYutaka Nagasawa (6 patents)Mitsuru KawakamiMitsuru Kawakami (3 patents)Yasuaki SuzukiYasuaki Suzuki (2 patents)Kiyonori OyuKiyonori Oyu (39 patents)Hiroshi HoriiHiroshi Horii (37 patents)Hiroshi AndoHiroshi Ando (31 patents)Koji HamadaKoji Hamada (30 patents)Nobuyuki KobayashiNobuyuki Kobayashi (29 patents)Kentaro AkiyamaKentaro Akiyama (29 patents)Sho SawahataSho Sawahata (28 patents)Kensuke OkonogiKensuke Okonogi (26 patents)Takayuki EzakiTakayuki Ezaki (25 patents)Tetsuya AokiTetsuya Aoki (16 patents)Tsuyoshi HagiwaraTsuyoshi Hagiwara (13 patents)Shigeru MorinagaShigeru Morinaga (12 patents)Kahei NakamuraKahei Nakamura (11 patents)Genichiro KawamichiGenichiro Kawamichi (11 patents)Yoshikazu EndoYoshikazu Endo (7 patents)Hideharu MikiHideharu Miki (5 patents)Toshiki KoyamaToshiki Koyama (4 patents)Naoki MatsushitaNaoki Matsushita (4 patents)Kimio MomoseKimio Momose (2 patents)Tatsuya ItouTatsuya Itou (1 patent)Keiichi WatanabeKeiichi Watanabe (1 patent)Joshikazu EndoJoshikazu Endo (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sony Corporation (18 from 58,132 patents)

2. Ricoh Company, Ltd. (5 from 28,584 patents)

3. Mahle International Gmbh (2 from 1,482 patents)

4. Elpida Memory, Inc. (2 from 1,458 patents)

5. Toppan Printing Co., Ltd. (2 from 1,268 patents)

6. Kyb Corporation (2 from 393 patents)

7. Mahle Filter Systems Japan Corporation (2 from 85 patents)

8. Kubota Corporation (1 from 2,699 patents)

9. Mahle Japan Ltd. (1 from 3 patents)

10. Analyticware, Inc. (1 from 1 patent)


33 patents:

1. 12215723 - Fluid pressure cylinder

2. 12066852 - Neutral return mechanism

3. 11668530 - Oil cooler

4. 11472112 - Composite object and composite object producing method

5. 11311822 - Bubble separator, and fluid circuit for automobile that includes bubble separator

6. 10868066 - Solid-state imaging apparatus

7. 10698140 - Image display, labeled article, and methods of manufacturing thereof

8. 10619935 - Oil cooler

9. 10468446 - Solid-state imaging apparatus

10. 10319763 - Solid-state imaging apparatus

11. 10128290 - Solid-state imaging apparatus

12. 10007036 - Image display, labeled article, and methods of manufacturing thereof

13. 9978794 - Solid-state imaging apparatus

14. 9911776 - Solid-state imaging apparatus

15. 9889679 - Application device and image forming system

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1/7/2026
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