Growing community of inventors

Osaka, Japan

Hiroki Wada

Average Co-Inventor Count = 2.77

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 = 51

Hiroki WadaHaruyuki Kawahara (3 patents)Hiroki WadaJunji Ogawa (3 patents)Hiroki WadaIkuya Matsuo (2 patents)Hiroki WadaTakashi Tsutsumi (2 patents)Hiroki WadaMamoru Idaka (1 patent)Hiroki WadaNobuhiro Ishizaki (1 patent)Hiroki WadaHiroki Wada (6 patents)Haruyuki KawaharaHaruyuki Kawahara (21 patents)Junji OgawaJunji Ogawa (3 patents)Ikuya MatsuoIkuya Matsuo (2 patents)Takashi TsutsumiTakashi Tsutsumi (2 patents)Mamoru IdakaMamoru Idaka (14 patents)Nobuhiro IshizakiNobuhiro Ishizaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Keyence Corporation (3 from 514 patents)

2. Wada Seimitsu Shiken Kabushiki Kaisha (3 from 3 patents)

3. Other (1 from 832,891 patents)

4. Haruyuki Kawahara (1 from 4 patents)

5. Nippon Mektron Kabushiki Kaisha (1 from 3 patents)

6. Nippon Maktron Kabushiki Kaish (1 from 1 patent)


6 patents:

1. D777250 - ROM chip attachment of an ink bottle

2. 9387684 - Ink jet recording apparatus, ink or solvent cartridge, and bottle included in cartridge

3. D722642 - Ink bottle for inkjet printer

4. 4738622 - Removable denture retaining structure

5. 4731020 - Removable denture retaining structure

6. 4439153 - Bio-functional denture

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as of
12/31/2025
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