Growing community of inventors

Sakai, Japan

Koji Fujiwara

Average Co-Inventor Count = 2.77

ph-index = 13

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 = 452

Koji FujiwaraYoshikazu Togoshi (10 patents)Koji FujiwaraKazuo Samejima (7 patents)Koji FujiwaraYoshiyuki Esaki (6 patents)Koji FujiwaraTeruo Shimamura (6 patents)Koji FujiwaraNorimi Nakamura (5 patents)Koji FujiwaraEiro Fujii (5 patents)Koji FujiwaraOsami Fujiwara (4 patents)Koji FujiwaraYoshimi Hirooka (4 patents)Koji FujiwaraRyouzou Imanishi (4 patents)Koji FujiwaraMitsugu Kobayashi (4 patents)Koji FujiwaraTaro Nakamura (4 patents)Koji FujiwaraAkihito Sugio (4 patents)Koji FujiwaraKazuo Koike (3 patents)Koji FujiwaraMasayoshi Tatemoto (3 patents)Koji FujiwaraHironori Tsuchihashi (3 patents)Koji FujiwaraKoichi Fujiwara (3 patents)Koji FujiwaraMasatoshi Yamaguchi (3 patents)Koji FujiwaraShigeaki Imai (3 patents)Koji FujiwaraJunichi Kitamura (3 patents)Koji FujiwaraEiji Satou (3 patents)Koji FujiwaraYoshiko Sakagawa (3 patents)Koji FujiwaraYuji Yutani (3 patents)Koji FujiwaraTakuhisa Yamamoto (3 patents)Koji FujiwaraHideya Umemoto (2 patents)Koji FujiwaraYoshihiro Kawahara (2 patents)Koji FujiwaraMasatake Murakawa (2 patents)Koji FujiwaraTakashi Tohzuka (2 patents)Koji FujiwaraMasato Asahara (2 patents)Koji FujiwaraMasaji Kure (2 patents)Koji FujiwaraMatsuo Tachibana (2 patents)Koji FujiwaraTakanobu Ojima (2 patents)Koji FujiwaraToshio Norita (1 patent)Koji FujiwaraTakashi Kondo (1 patent)Koji FujiwaraAkira Minoura (1 patent)Koji FujiwaraTakashi Fujii (1 patent)Koji FujiwaraTakeshi Komorida (1 patent)Koji FujiwaraOsamu Toyama (1 patent)Koji FujiwaraHiroki Bessho (1 patent)Koji FujiwaraYoshiroh Nagai (1 patent)Koji FujiwaraHiroyuki Tada (1 patent)Koji FujiwaraShoso Ishimori (1 patent)Koji FujiwaraHironori Sumitomo (1 patent)Koji FujiwaraDaisaku Horie (1 patent)Koji FujiwaraShinichi Horita (1 patent)Koji FujiwaraShinichi Ban (1 patent)Koji FujiwaraMasaru Nakaji (1 patent)Koji FujiwaraSueyoshi Ishikawa (1 patent)Koji FujiwaraJunji Miyata (1 patent)Koji FujiwaraShoichiro Kawamura (1 patent)Koji FujiwaraHiroaki Kitaguchi (1 patent)Koji FujiwaraKoji Nada (1 patent)Koji FujiwaraShingo Asai (1 patent)Koji FujiwaraYoshiaki Kataoka (1 patent)Koji FujiwaraKuniteru Sakakibara (1 patent)Koji FujiwaraKazuo Sameshiima (1 patent)Koji FujiwaraFiro Fujii (1 patent)Koji FujiwaraYoshiko Nakagawa (1 patent)Koji FujiwaraKiri Matsuura (1 patent)Koji FujiwaraKoji Sugie (1 patent)Koji FujiwaraShinji Mishima (1 patent)Koji FujiwaraOsamu Takano (1 patent)Koji FujiwaraShosho Ishimori (0 patent)Koji FujiwaraKoji Fujiwara (43 patents)Yoshikazu TogoshiYoshikazu Togoshi (61 patents)Kazuo SamejimaKazuo Samejima (45 patents)Yoshiyuki EsakiYoshiyuki Esaki (28 patents)Teruo ShimamuraTeruo Shimamura (26 patents)Norimi NakamuraNorimi Nakamura (25 patents)Eiro FujiiEiro Fujii (21 patents)Osami FujiwaraOsami Fujiwara (28 patents)Yoshimi HirookaYoshimi Hirooka (15 patents)Ryouzou ImanishiRyouzou Imanishi (12 patents)Mitsugu KobayashiMitsugu Kobayashi (10 patents)Taro NakamuraTaro Nakamura (10 patents)Akihito SugioAkihito Sugio (9 patents)Kazuo KoikeKazuo Koike (37 patents)Masayoshi TatemotoMasayoshi Tatemoto (29 patents)Hironori TsuchihashiHironori Tsuchihashi (28 patents)Koichi FujiwaraKoichi Fujiwara (21 patents)Masatoshi YamaguchiMasatoshi Yamaguchi (14 patents)Shigeaki ImaiShigeaki Imai (10 patents)Junichi KitamuraJunichi Kitamura (10 patents)Eiji SatouEiji Satou (10 patents)Yoshiko SakagawaYoshiko Sakagawa (6 patents)Yuji YutaniYuji Yutani (5 patents)Takuhisa YamamotoTakuhisa Yamamoto (3 patents)Hideya UmemotoHideya Umemoto (30 patents)Yoshihiro KawaharaYoshihiro Kawahara (28 patents)Masatake MurakawaMasatake Murakawa (28 patents)Takashi TohzukaTakashi Tohzuka (18 patents)Masato AsaharaMasato Asahara (17 patents)Masaji KureMasaji Kure (8 patents)Matsuo TachibanaMatsuo Tachibana (3 patents)Takanobu OjimaTakanobu Ojima (2 patents)Toshio NoritaToshio Norita (91 patents)Takashi KondoTakashi Kondo (45 patents)Akira MinouraAkira Minoura (44 patents)Takashi FujiiTakashi Fujii (42 patents)Takeshi KomoridaTakeshi Komorida (37 patents)Osamu ToyamaOsamu Toyama (30 patents)Hiroki BesshoHiroki Bessho (28 patents)Yoshiroh NagaiYoshiroh Nagai (24 patents)Hiroyuki TadaHiroyuki Tada (19 patents)Shoso IshimoriShoso Ishimori (19 patents)Hironori SumitomoHironori Sumitomo (16 patents)Daisaku HorieDaisaku Horie (16 patents)Shinichi HoritaShinichi Horita (13 patents)Shinichi BanShinichi Ban (11 patents)Masaru NakajiMasaru Nakaji (10 patents)Sueyoshi IshikawaSueyoshi Ishikawa (10 patents)Junji MiyataJunji Miyata (9 patents)Shoichiro KawamuraShoichiro Kawamura (8 patents)Hiroaki KitaguchiHiroaki Kitaguchi (8 patents)Koji NadaKoji Nada (7 patents)Shingo AsaiShingo Asai (5 patents)Yoshiaki KataokaYoshiaki Kataoka (5 patents)Kuniteru SakakibaraKuniteru Sakakibara (2 patents)Kazuo SameshiimaKazuo Sameshiima (1 patent)Firo FujiiFiro Fujii (1 patent)Yoshiko NakagawaYoshiko Nakagawa (1 patent)Kiri MatsuuraKiri Matsuura (1 patent)Koji SugieKoji Sugie (1 patent)Shinji MishimaShinji Mishima (1 patent)Osamu TakanoOsamu Takano (1 patent)Shosho IshimoriShosho Ishimori (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kubota Corporation (18 from 2,699 patents)

2. Minolta Company, Ltd. (11 from 2,816 patents)

3. Daikin Industries, Ltd. (5 from 4,283 patents)

4. Konica-Minolta Holdings, Inc. (4 from 713 patents)

5. Konica Minolta Sensing, Inc. (2 from 72 patents)

6. Kabushiki Kaisha Takuma (2 from 9 patents)

7. Konica Minolta, Inc. (1 from 4,245 patents)


43 patents:

1. 9279677 - Corresponding point search device and distance measurement device

2. 9216777 - Work vehicle

3. 8960805 - Work vehicle

4. 8720173 - Climb-up assist structure for mower unit

5. 8720299 - Tiltable steering wheel apparatus for work vehicle

6. 8459397 - Work vehicle having drive wheels

7. 8414082 - Work vehicle

8. 8376441 - Work vehicle

9. 8336281 - Climb-up assist structure for mower unit

10. 8170297 - Face authentication system and face authentication method

11. 8156722 - Mower having a grass clippings guide and shield member

12. 8099938 - Rear discharge type mower apparatus having a pair of auxiliary plates for directing grass to a discharge opening

13. 7974446 - Face authentication system and face authentication method

14. 7735306 - Rear discharge type mower apparatus

15. 7685800 - Climb-up assist structure for mower unit

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/6/2026
Loading…