Growing community of inventors

Saitama, Japan

Kunihiko Tanaka

Average Co-Inventor Count = 1.66

ph-index = 17

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 = 1,157

Kunihiko TanakaKoji Yoshida (67 patents)Kunihiko TanakaJun Sato (7 patents)Kunihiko TanakaYutaka Senda (6 patents)Kunihiko TanakaRyosuke Ogura (3 patents)Kunihiko TanakaKimitake Fukushima (3 patents)Kunihiko TanakaKazuyoshi Hara (3 patents)Kunihiko TanakaFumio Kobayashi (3 patents)Kunihiko TanakaMasahiro Fukuda (2 patents)Kunihiko TanakaNoriko Katayama (2 patents)Kunihiko TanakaShozo Kondo (2 patents)Kunihiko TanakaEiichi Okamoto (2 patents)Kunihiko TanakaMasaaki Matsuura (2 patents)Kunihiko TanakaZongtao Ge (2 patents)Kunihiko TanakaKenichi Funato (2 patents)Kunihiko TanakaHiroshi Takagi (1 patent)Kunihiko TanakaMinoru Ishiguro (1 patent)Kunihiko TanakaKenji Tamaki (1 patent)Kunihiko TanakaMasahiro Kuroki (1 patent)Kunihiko TanakaYasuo Ikenoya (1 patent)Kunihiko TanakaHaruo Onozuka (1 patent)Kunihiko TanakaMasaki Watanabe (1 patent)Kunihiko TanakaKaoru Hatanaka (1 patent)Kunihiko TanakaMasaru Nakayama (1 patent)Kunihiko TanakaGoroei Wakatsuki (1 patent)Kunihiko TanakaHitoshi Yamamoto (1 patent)Kunihiko TanakaYasuhiro Nishitani (1 patent)Kunihiko TanakaTakao Umetsu (1 patent)Kunihiko TanakaYoshinori Kawashima (1 patent)Kunihiko TanakaYoshihiro Nomura (1 patent)Kunihiko TanakaHideo Ochiai (1 patent)Kunihiko TanakaToru Miyagawa (1 patent)Kunihiko TanakaAkira Hayashi (1 patent)Kunihiko TanakaMakoto Akiba (1 patent)Kunihiko TanakaNobuo Shigemizu (1 patent)Kunihiko TanakaYoshinori Matsuoka (1 patent)Kunihiko TanakaKentaro Takemae (1 patent)Kunihiko TanakaSeiji Onozawa (1 patent)Kunihiko TanakaHiromi Furuhashi (1 patent)Kunihiko TanakaKunihiko Tanaka (134 patents)Koji YoshidaKoji Yoshida (230 patents)Jun SatoJun Sato (128 patents)Yutaka SendaYutaka Senda (45 patents)Ryosuke OguraRyosuke Ogura (90 patents)Kimitake FukushimaKimitake Fukushima (14 patents)Kazuyoshi HaraKazuyoshi Hara (7 patents)Fumio KobayashiFumio Kobayashi (3 patents)Masahiro FukudaMasahiro Fukuda (89 patents)Noriko KatayamaNoriko Katayama (62 patents)Shozo KondoShozo Kondo (32 patents)Eiichi OkamotoEiichi Okamoto (27 patents)Masaaki MatsuuraMasaaki Matsuura (26 patents)Zongtao GeZongtao Ge (16 patents)Kenichi FunatoKenichi Funato (15 patents)Hiroshi TakagiHiroshi Takagi (51 patents)Minoru IshiguroMinoru Ishiguro (51 patents)Kenji TamakiKenji Tamaki (43 patents)Masahiro KurokiMasahiro Kuroki (32 patents)Yasuo IkenoyaYasuo Ikenoya (26 patents)Haruo OnozukaHaruo Onozuka (24 patents)Masaki WatanabeMasaki Watanabe (22 patents)Kaoru HatanakaKaoru Hatanaka (22 patents)Masaru NakayamaMasaru Nakayama (19 patents)Goroei WakatsukiGoroei Wakatsuki (19 patents)Hitoshi YamamotoHitoshi Yamamoto (18 patents)Yasuhiro NishitaniYasuhiro Nishitani (17 patents)Takao UmetsuTakao Umetsu (14 patents)Yoshinori KawashimaYoshinori Kawashima (13 patents)Yoshihiro NomuraYoshihiro Nomura (10 patents)Hideo OchiaiHideo Ochiai (8 patents)Toru MiyagawaToru Miyagawa (7 patents)Akira HayashiAkira Hayashi (7 patents)Makoto AkibaMakoto Akiba (7 patents)Nobuo ShigemizuNobuo Shigemizu (6 patents)Yoshinori MatsuokaYoshinori Matsuoka (4 patents)Kentaro TakemaeKentaro Takemae (4 patents)Seiji OnozawaSeiji Onozawa (3 patents)Hiromi FuruhashiHiromi Furuhashi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujifilm Corporation (88 from 15,931 patents)

2. Fuji Photo Film Company, Limited (18 from 16,454 patents)

3. Fujinon Corporation (14 from 695 patents)

4. Honda Giken Kogyo Kabushiki Kaisha (7 from 10,092 patents)

5. Other (2 from 832,448 patents)

6. Honda Motor Co., Ltd. (2 from 21,702 patents)

7. Fujifilm Cornoration (2 from 5 patents)

8. Fujifilm Corporated (1 from 1 patent)


134 patents:

1. D1097152 - Obturator

2. D1075030 - Container for medical use

3. D1069105 - Water supplying machine for endoscope

4. D1037437 - Water supplying machine for endoscope

5. D1037438 - Water supplying machine for endoscope

6. D1036664 - Endoscope mouthpiece and drape in combination

7. D1023300 - Operating grip for endoscope

8. D984672 - Rack for specimen containers

9. D982181 - Medical biochemical analyzer

10. D975313 - Rack for specimen containers

11. D970039 - Tray for specimen racks

12. D964590 - Fecal occult blood analyzer

13. D961429 - Warmer for an optical analyzer

14. D960738 - Optical analyzer

15. D960739 - Optical analyzer

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10/28/2025
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