Growing community of inventors

Tokyo, Japan

Katsumi Usami

Average Co-Inventor Count = 5.93

ph-index = 10

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 = 236

Katsumi UsamiAtsushi Ninomiya (19 patents)Katsumi UsamiYusuke Daimon (11 patents)Katsumi UsamiKazuyuki Yanase (10 patents)Katsumi UsamiMasaru Yokoyama (7 patents)Katsumi UsamiEi Takahashi (6 patents)Katsumi UsamiTakeo Manabe (6 patents)Katsumi UsamiMasaru Ichimura (4 patents)Katsumi UsamiShigehisa Hagura (3 patents)Katsumi UsamiAkinori Sato (3 patents)Katsumi UsamiTaisuke Matsushita (3 patents)Katsumi UsamiToshiyuki Senda (3 patents)Katsumi UsamiNaoyuki Naruse (3 patents)Katsumi UsamiKaoru Yamamoto (2 patents)Katsumi UsamiMasaru Oda (2 patents)Katsumi UsamiTakatomo Ohno (2 patents)Katsumi UsamiHiroyuki Ishida (2 patents)Katsumi UsamiAmi Handa (2 patents)Katsumi UsamiHisashi Nakamura (2 patents)Katsumi UsamiAmane Yamada (2 patents)Katsumi UsamiTomoyuki Yagi (1 patent)Katsumi UsamiHiroyuki Kamata (1 patent)Katsumi UsamiMakoto Motozu (1 patent)Katsumi UsamiKazuo Ishida (1 patent)Katsumi UsamiYuuki Umizaki (1 patent)Katsumi UsamiHidefumi Hiramatsu (1 patent)Katsumi UsamiShinji Nakajima (1 patent)Katsumi UsamiShoroku Kawahara (1 patent)Katsumi UsamiKohei Maeda (1 patent)Katsumi UsamiKento Ui (1 patent)Katsumi UsamiYukinobu Okada (1 patent)Katsumi UsamiMasahiko Suda (1 patent)Katsumi UsamiYoshihiro Itou (1 patent)Katsumi UsamiKento Ul (1 patent)Katsumi UsamiGen Siina (1 patent)Katsumi UsamiTsukasa Ikeuchi (1 patent)Katsumi UsamiAtsushi Nakayama (1 patent)Katsumi UsamiTsuneo Kasanami (1 patent)Katsumi UsamiToshiyuki Edakawa (1 patent)Katsumi UsamiNaoji Torii (1 patent)Katsumi UsamiAtsushi Nakayama (0 patent)Katsumi UsamiKatsumi Usami (22 patents)Atsushi NinomiyaAtsushi Ninomiya (74 patents)Yusuke DaimonYusuke Daimon (14 patents)Kazuyuki YanaseKazuyuki Yanase (25 patents)Masaru YokoyamaMasaru Yokoyama (48 patents)Ei TakahashiEi Takahashi (19 patents)Takeo ManabeTakeo Manabe (11 patents)Masaru IchimuraMasaru Ichimura (5 patents)Shigehisa HaguraShigehisa Hagura (44 patents)Akinori SatoAkinori Sato (14 patents)Taisuke MatsushitaTaisuke Matsushita (8 patents)Toshiyuki SendaToshiyuki Senda (3 patents)Naoyuki NaruseNaoyuki Naruse (3 patents)Kaoru YamamotoKaoru Yamamoto (82 patents)Masaru OdaMasaru Oda (10 patents)Takatomo OhnoTakatomo Ohno (6 patents)Hiroyuki IshidaHiroyuki Ishida (5 patents)Ami HandaAmi Handa (2 patents)Hisashi NakamuraHisashi Nakamura (2 patents)Amane YamadaAmane Yamada (2 patents)Tomoyuki YagiTomoyuki Yagi (125 patents)Hiroyuki KamataHiroyuki Kamata (41 patents)Makoto MotozuMakoto Motozu (12 patents)Kazuo IshidaKazuo Ishida (11 patents)Yuuki UmizakiYuuki Umizaki (10 patents)Hidefumi HiramatsuHidefumi Hiramatsu (7 patents)Shinji NakajimaShinji Nakajima (6 patents)Shoroku KawaharaShoroku Kawahara (5 patents)Kohei MaedaKohei Maeda (4 patents)Kento UiKento Ui (3 patents)Yukinobu OkadaYukinobu Okada (2 patents)Masahiko SudaMasahiko Suda (2 patents)Yoshihiro ItouYoshihiro Itou (1 patent)Kento UlKento Ul (1 patent)Gen SiinaGen Siina (1 patent)Tsukasa IkeuchiTsukasa Ikeuchi (1 patent)Atsushi NakayamaAtsushi Nakayama (1 patent)Tsuneo KasanamiTsuneo Kasanami (1 patent)Toshiyuki EdakawaToshiyuki Edakawa (1 patent)Naoji ToriiNaoji Torii (1 patent)Atsushi NakayamaAtsushi Nakayama (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hitachi Construction Machinery Co., Ltd. (10 from 1,504 patents)

2. Hitachi, Ltd. (5 from 42,508 patents)

3. Hitachi Aloka Medical, Ltd. (5 from 77 patents)

4. Hitachi Construction Machinery Tierra Co., Ltd. (1 from 58 patents)

5. Hitachi Channel Solutions, Corp. (1 from 5 patents)


22 patents:

1. D1098664 - Automated teller machine

2. D1087174 - Hydraulic excavator

3. 11982069 - Work vehicle

4. D999792 - Cabin for construction machine

5. D915470 - Excavator

6. D915469 - Wheel loader

7. D911396 - Wheel loader

8. 10506995 - Mobile X-ray imaging device

9. 10456100 - X-ray imaging device

10. D857755 - Seat for operator cab for construction machine

11. D856379 - Air conditioning duct cover with monitor for construction machine

12. D856380 - Console box for construction machine

13. D856381 - Console box for construction machine

14. D854587 - Cab for construction machine

15. D804671 - Ultrasound diagnosis apparatus

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as of
12/31/2025
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