Growing community of inventors

Osaka, Japan

Daisuke Tsukahara

Average Co-Inventor Count = 4.34

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 = 37

Daisuke TsukaharaYasunari Ooyabu (3 patents)Daisuke TsukaharaNagaaki Sato (3 patents)Daisuke TsukaharaTakashi Kondo (2 patents)Daisuke TsukaharaKazuhiro Fuke (2 patents)Daisuke TsukaharaMakoto Ishikawa (1 patent)Daisuke TsukaharaHiroyuki Katayama (1 patent)Daisuke TsukaharaEiji Toyoda (1 patent)Daisuke TsukaharaMakoto Ishikawa (27 patents)Daisuke TsukaharaMakoto Jitsuoka (3 patents)Daisuke TsukaharaYoshio Ogino (1 patent)Daisuke TsukaharaShigeru Tokita (1 patent)Daisuke TsukaharaKazuhiro Ikemura (1 patent)Daisuke TsukaharaTsuyoshi Nagase (1 patent)Daisuke TsukaharaTeruyuki Nishimura (1 patent)Daisuke TsukaharaKatsumasa Nonoshita (1 patent)Daisuke TsukaharaNorikazu Ohtake (1 patent)Daisuke TsukaharaMunehisa Mitani (1 patent)Daisuke TsukaharaFumiko Sakai (1 patent)Daisuke TsukaharaKeisuke Arakawa (1 patent)Daisuke TsukaharaYoshikazu Nagae (1 patent)Daisuke TsukaharaHiroshi Nakashima (1 patent)Daisuke TsukaharaTakuya Eto (1 patent)Daisuke TsukaharaKatsuyuki Nakabayashi (1 patent)Daisuke TsukaharaTsuyoshi Nagase (1 patent)Daisuke TsukaharaJun-Ichi Eiki (0 patent)Daisuke TsukaharaHiroshi Nakashima (0 patent)Daisuke TsukaharaDaisuke Tsukahara (8 patents)Yasunari OoyabuYasunari Ooyabu (60 patents)Nagaaki SatoNagaaki Sato (19 patents)Takashi KondoTakashi Kondo (54 patents)Kazuhiro FukeKazuhiro Fuke (29 patents)Makoto IshikawaMakoto Ishikawa (59 patents)Hiroyuki KatayamaHiroyuki Katayama (39 patents)Eiji ToyodaEiji Toyoda (35 patents)Makoto IshikawaMakoto Ishikawa (27 patents)Makoto JitsuokaMakoto Jitsuoka (10 patents)Yoshio OginoYoshio Ogino (21 patents)Shigeru TokitaShigeru Tokita (15 patents)Kazuhiro IkemuraKazuhiro Ikemura (15 patents)Tsuyoshi NagaseTsuyoshi Nagase (15 patents)Teruyuki NishimuraTeruyuki Nishimura (15 patents)Katsumasa NonoshitaKatsumasa Nonoshita (14 patents)Norikazu OhtakeNorikazu Ohtake (11 patents)Munehisa MitaniMunehisa Mitani (9 patents)Fumiko SakaiFumiko Sakai (5 patents)Keisuke ArakawaKeisuke Arakawa (5 patents)Yoshikazu NagaeYoshikazu Nagae (4 patents)Hiroshi NakashimaHiroshi Nakashima (3 patents)Takuya EtoTakuya Eto (3 patents)Katsuyuki NakabayashiKatsuyuki Nakabayashi (2 patents)Tsuyoshi NagaseTsuyoshi Nagase (9 patents)Jun-Ichi EikiJun-Ichi Eiki (0 patent)Hiroshi NakashimaHiroshi Nakashima (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nitto-denko Corporation (4 from 3,870 patents)

2. Banyu Pharmaceutical Co. Ltd (2 from 237 patents)

3. Msd K.k. (2 from 47 patents)


8 patents:

1. 8975101 - Element connecting board, producing method thereof, and light emitting diode device

2. 8872211 - Element-connecting board, producing method thereof, and light-emitting diode device

3. 8551277 - Method for producing light emitting diode device

4. 8420823 - Long-chain fatty acyl elongase inhibitor comprising arylsulfonyl derivative as active ingredient

5. 8158791 - Aza-substituted spiro derivatives

6. 7960402 - Carbamoyl-substituted spiro derivative

7. 7728025 - 2-heteroaryl-substituted benzimidazole derivative

8. 7501711 - Epoxy resin composition for semiconductor encapsulation and semiconductor device using the same

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12/28/2025
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