Growing community of inventors

Yamagata, Japan

Kiyoyuki Okuyama

Average Co-Inventor Count = 2.53

ph-index = 19

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 = 1,048

Kiyoyuki OkuyamaShinya Kawashiri (21 patents)Kiyoyuki OkuyamaFumio Ishibashi (7 patents)Kiyoyuki OkuyamaKunihiko Matsumoto (5 patents)Kiyoyuki OkuyamaKeiichi Nishihara (5 patents)Kiyoyuki OkuyamaMasamitsu Uemura (4 patents)Kiyoyuki OkuyamaMasaaki Yamashita (4 patents)Kiyoyuki OkuyamaKohei Okazaki (4 patents)Kiyoyuki OkuyamaZenzo Uchida (4 patents)Kiyoyuki OkuyamaMasataka Miyoshi (4 patents)Kiyoyuki OkuyamaTsuyoshi Kawakami (4 patents)Kiyoyuki OkuyamaKenji Watabe (4 patents)Kiyoyuki OkuyamaShogo Otomo (4 patents)Kiyoyuki OkuyamaSatoru Mishio (4 patents)Kiyoyuki OkuyamaYoichi Hirata (4 patents)Kiyoyuki OkuyamaKazuhide Maeda (4 patents)Kiyoyuki OkuyamaNozomi Sakaguchi (4 patents)Kiyoyuki OkuyamaAkira Terazawa (4 patents)Kiyoyuki OkuyamaNagahiro Ogata (3 patents)Kiyoyuki OkuyamaTakao Nakanishi (3 patents)Kiyoyuki OkuyamaYoshihisa Ishikawa (3 patents)Kiyoyuki OkuyamaKoichi Kanda (3 patents)Kiyoyuki OkuyamaRyosuke Ohashi (3 patents)Kiyoyuki OkuyamaDaisuke Hirata (3 patents)Kiyoyuki OkuyamaJunko Kudou (3 patents)Kiyoyuki OkuyamaYoshihito Hayama (3 patents)Kiyoyuki OkuyamaMeza Mendoza Issac Alejandro (3 patents)Kiyoyuki OkuyamaSatoshi Kitahara (3 patents)Kiyoyuki OkuyamaShinya Shiina (3 patents)Kiyoyuki OkuyamaTsuyoshi Nakahara (3 patents)Kiyoyuki OkuyamaTetsuya Iida (2 patents)Kiyoyuki OkuyamaMasataka Uchibori (2 patents)Kiyoyuki OkuyamaYutaka Matsui (2 patents)Kiyoyuki OkuyamaHisayuki Ishii (2 patents)Kiyoyuki OkuyamaGaku Higashiguchi (2 patents)Kiyoyuki OkuyamaYoshiaki Kurokawa (1 patent)Kiyoyuki OkuyamaMasakazu Komatsu (1 patent)Kiyoyuki OkuyamaNaoyuki Himi (1 patent)Kiyoyuki OkuyamaFutoshi Kozato (1 patent)Kiyoyuki OkuyamaKazuki Maetani (1 patent)Kiyoyuki OkuyamaJun Terashima (1 patent)Kiyoyuki OkuyamaYoshihiro Hayami (1 patent)Kiyoyuki OkuyamaGiovanni La Rocca (1 patent)Kiyoyuki OkuyamaRyuuichi Miyazaki (1 patent)Kiyoyuki OkuyamaAkihiro Kubo (1 patent)Kiyoyuki OkuyamaClifton Lee Levin (1 patent)Kiyoyuki OkuyamaRyuichi Miyazaki (1 patent)Kiyoyuki OkuyamaHiroki Sekita (1 patent)Kiyoyuki OkuyamaKenji Komori (1 patent)Kiyoyuki OkuyamaMasaki Kagano (1 patent)Kiyoyuki OkuyamaYosuke Kajiya (1 patent)Kiyoyuki OkuyamaMasashi Hachiya (1 patent)Kiyoyuki OkuyamaKouji Kinoshita (1 patent)Kiyoyuki OkuyamaShuuichi Mitani (1 patent)Kiyoyuki OkuyamaNobuaki Hiromatsu (1 patent)Kiyoyuki OkuyamaReiichi Ishikura (1 patent)Kiyoyuki OkuyamaNorikazu Shoji (1 patent)Kiyoyuki OkuyamaKenchi Aoki (1 patent)Kiyoyuki OkuyamaDaichi Kosuge (1 patent)Kiyoyuki OkuyamaYoshitaka Kameda (1 patent)Kiyoyuki OkuyamaNaoyuki Himi (0 patent)Kiyoyuki OkuyamaFutoshi Kozato (0 patent)Kiyoyuki OkuyamaKouji Kinoshita (0 patent)Kiyoyuki OkuyamaShinya Shiina (0 patent)Kiyoyuki OkuyamaAkira Terazawa (0 patent)Kiyoyuki OkuyamaKiyoyuki Okuyama (84 patents)Shinya KawashiriShinya Kawashiri (30 patents)Fumio IshibashiFumio Ishibashi (14 patents)Kunihiko MatsumotoKunihiko Matsumoto (20 patents)Keiichi NishiharaKeiichi Nishihara (11 patents)Masamitsu UemuraMasamitsu Uemura (14 patents)Masaaki YamashitaMasaaki Yamashita (12 patents)Kohei OkazakiKohei Okazaki (11 patents)Zenzo UchidaZenzo Uchida (8 patents)Masataka MiyoshiMasataka Miyoshi (6 patents)Tsuyoshi KawakamiTsuyoshi Kawakami (5 patents)Kenji WatabeKenji Watabe (5 patents)Shogo OtomoShogo Otomo (5 patents)Satoru MishioSatoru Mishio (5 patents)Yoichi HirataYoichi Hirata (4 patents)Kazuhide MaedaKazuhide Maeda (4 patents)Nozomi SakaguchiNozomi Sakaguchi (4 patents)Akira TerazawaAkira Terazawa (4 patents)Nagahiro OgataNagahiro Ogata (13 patents)Takao NakanishiTakao Nakanishi (6 patents)Yoshihisa IshikawaYoshihisa Ishikawa (6 patents)Koichi KandaKoichi Kanda (6 patents)Ryosuke OhashiRyosuke Ohashi (5 patents)Daisuke HirataDaisuke Hirata (4 patents)Junko KudouJunko Kudou (4 patents)Yoshihito HayamaYoshihito Hayama (3 patents)Meza Mendoza Issac AlejandroMeza Mendoza Issac Alejandro (3 patents)Satoshi KitaharaSatoshi Kitahara (3 patents)Shinya ShiinaShinya Shiina (3 patents)Tsuyoshi NakaharaTsuyoshi Nakahara (3 patents)Tetsuya IidaTetsuya Iida (18 patents)Masataka UchiboriMasataka Uchibori (14 patents)Yutaka MatsuiYutaka Matsui (8 patents)Hisayuki IshiiHisayuki Ishii (7 patents)Gaku HigashiguchiGaku Higashiguchi (4 patents)Yoshiaki KurokawaYoshiaki Kurokawa (22 patents)Masakazu KomatsuMasakazu Komatsu (12 patents)Naoyuki HimiNaoyuki Himi (12 patents)Futoshi KozatoFutoshi Kozato (9 patents)Kazuki MaetaniKazuki Maetani (6 patents)Jun TerashimaJun Terashima (5 patents)Yoshihiro HayamiYoshihiro Hayami (4 patents)Giovanni La RoccaGiovanni La Rocca (4 patents)Ryuuichi MiyazakiRyuuichi Miyazaki (2 patents)Akihiro KuboAkihiro Kubo (2 patents)Clifton Lee LevinClifton Lee Levin (1 patent)Ryuichi MiyazakiRyuichi Miyazaki (1 patent)Hiroki SekitaHiroki Sekita (1 patent)Kenji KomoriKenji Komori (1 patent)Masaki KaganoMasaki Kagano (1 patent)Yosuke KajiyaYosuke Kajiya (1 patent)Masashi HachiyaMasashi Hachiya (1 patent)Kouji KinoshitaKouji Kinoshita (1 patent)Shuuichi MitaniShuuichi Mitani (1 patent)Nobuaki HiromatsuNobuaki Hiromatsu (1 patent)Reiichi IshikuraReiichi Ishikura (1 patent)Norikazu ShojiNorikazu Shoji (1 patent)Kenchi AokiKenchi Aoki (1 patent)Daichi KosugeDaichi Kosuge (1 patent)Yoshitaka KamedaYoshitaka Kameda (1 patent)Naoyuki HimiNaoyuki Himi (0 patent)Futoshi KozatoFutoshi Kozato (0 patent)Kouji KinoshitaKouji Kinoshita (0 patent)Shinya ShiinaShinya Shiina (0 patent)Akira TerazawaAkira Terazawa (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yanmar Co., Ltd. (70 from 651 patents)

2. Yanmar Power Technology Co., Inc. (5 from 210 patents)

3. Fius Distributors, LLC (3 from 3 patents)

4. Kawasaki Jukogyo Kabushiki Kaisha (1 from 3,322 patents)

5. Ykk Corporation (1 from 1,441 patents)

6. Jeol Ltd. (1 from 800 patents)

7. Flus Distributors, LLC (1 from 1 patent)

8. Sessionable Inc. (1 from 1 patent)

9. Ken Okuyama Design Co., Ltd. (1 from 1 patent)


84 patents:

1. D961625 - Bonnet for work vehicle

2. D932448 - Switch panel for ships

3. D922449 - Machinery panels

4. 10932576 - Massage chairs with locking mechanisms

5. D905613 - Remote controller for ships

6. D901367 - Remote controller for ships

7. D897710 - Massage chair

8. D896841 - Engine

9. D896273 - Engine

10. D891802 - Massage chair

11. D887741 - Massage chair

12. D855664 - Bonnet for a tractor

13. 10369921 - Work vehicle

14. D855082 - Excavator

15. 10363843 - Multipurpose vehicle

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12/7/2025
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