Growing community of inventors

Chiba, Japan

Akira Hasegawa

Average Co-Inventor Count = 3.82

ph-index = 3

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 = 24

Akira HasegawaTakashi Yukita (9 patents)Akira HasegawaYuki Iwabuchi (6 patents)Akira HasegawaYasufumi Tsuchiya (4 patents)Akira HasegawaHideyuki Nagai (3 patents)Akira HasegawaShoji Tamai (1 patent)Akira HasegawaSatoshi Yamasaki (1 patent)Akira HasegawaTadahito Nobori (1 patent)Akira HasegawaIsao Hara (1 patent)Akira HasegawaTakashi Kuroki (1 patent)Akira HasegawaKenichi Suzuki (1 patent)Akira HasegawaYoshiyuki Totani (17 patents)Akira HasegawaDaisuke Hasegawa (1 patent)Akira HasegawaKenichi Goto (1 patent)Akira HasegawaJun Kamada (1 patent)Akira HasegawaGoro Kuwamura (1 patent)Akira HasegawaKouya Kojima (1 patent)Akira HasegawaShinichi Usugi (8 patents)Akira HasegawaMasahiro Toriida (1 patent)Akira HasegawaHideshi Hori (6 patents)Akira HasegawaHaruka Sugita (3 patents)Akira HasegawaNaosuke Kunimoto (1 patent)Akira HasegawaToyoharu Hayashi (1 patent)Akira HasegawaTakaharu Abe (1 patent)Akira HasegawaSetsuko Fujiyoshi (1 patent)Akira HasegawaKuniyuki Takamatsu (1 patent)Akira HasegawaHirokazu Mizuma (3 patents)Akira HasegawaRyohei Ogawa (2 patents)Akira HasegawaYoshiteru Taniguchi (1 patent)Akira HasegawaMasashi Tsuji (0 patent)Akira HasegawaAkira Hasegawa (12 patents)Takashi YukitaTakashi Yukita (19 patents)Yuki IwabuchiYuki Iwabuchi (6 patents)Yasufumi TsuchiyaYasufumi Tsuchiya (7 patents)Hideyuki NagaiHideyuki Nagai (6 patents)Shoji TamaiShoji Tamai (68 patents)Satoshi YamasakiSatoshi Yamasaki (40 patents)Tadahito NoboriTadahito Nobori (29 patents)Isao HaraIsao Hara (26 patents)Takashi KurokiTakashi Kuroki (21 patents)Kenichi SuzukiKenichi Suzuki (20 patents)Yoshiyuki TotaniYoshiyuki Totani (17 patents)Daisuke HasegawaDaisuke Hasegawa (16 patents)Kenichi GotoKenichi Goto (16 patents)Jun KamadaJun Kamada (14 patents)Goro KuwamuraGoro Kuwamura (12 patents)Kouya KojimaKouya Kojima (10 patents)Shinichi UsugiShinichi Usugi (8 patents)Masahiro ToriidaMasahiro Toriida (6 patents)Hideshi HoriHideshi Hori (6 patents)Haruka SugitaHaruka Sugita (3 patents)Naosuke KunimotoNaosuke Kunimoto (5 patents)Toyoharu HayashiToyoharu Hayashi (4 patents)Takaharu AbeTakaharu Abe (3 patents)Setsuko FujiyoshiSetsuko Fujiyoshi (3 patents)Kuniyuki TakamatsuKuniyuki Takamatsu (3 patents)Hirokazu MizumaHirokazu Mizuma (3 patents)Ryohei OgawaRyohei Ogawa (2 patents)Yoshiteru TaniguchiYoshiteru Taniguchi (1 patent)Masashi TsujiMasashi Tsuji (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Chemicals, Inc. (9 from 1,786 patents)

2. Ortho Solutions, Lc (2 from 13 patents)


12 patents:

1. D1019955 - Oral sleep appliance

2. D1019956 - Oral sleep appliance

3. D983975 - Hinge for oral sleep appliance

4. D970011 - Oral sleep apnea appliance

5. D970012 - Oral sleep apnea appliance

6. D950066 - Hinge for oral sleep appliance

7. 11058660 - External wound-healing agent, and external wound-healing material

8. D913504 - Injection-molded product

9. D903122 - Oral sleep appliance and spacer

10. D870293 - Spacer for an oral sleep appliance

11. 8648130 - Resin composition, transparent member obtained from the resin composition, and use of the same

12. 7217780 - Polyether ketone and method of producing the same

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12/5/2025
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