Growing community of inventors

Chiba, Japan

Hiroshi Katayama

Average Co-Inventor Count = 2.61

ph-index = 14

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 = 645

Hiroshi KatayamaShigeki Morinaga (12 patents)Hiroshi KatayamaMitsuo Kayano (11 patents)Hiroshi KatayamaJunichi Ishii (11 patents)Hiroshi KatayamaToshimichi Minowa (9 patents)Hiroshi KatayamaFumio Tajima (8 patents)Hiroshi KatayamaYoshiyuki Yoshida (8 patents)Hiroshi KatayamaKenichiro Kurata (8 patents)Hiroshi KatayamaSeiichi Narushima (6 patents)Hiroshi KatayamaKunio Miyashita (5 patents)Hiroshi KatayamaKohji Maki (4 patents)Hiroshi KatayamaNobuyoshi Mutoh (3 patents)Hiroshi KatayamaKim Houng Joong (3 patents)Hiroshi KatayamaYoshihito Osawa (3 patents)Hiroshi KatayamaRyoso Masaki (2 patents)Hiroshi KatayamaSatoru Kaneko (2 patents)Hiroshi KatayamaYasuo Morooka (2 patents)Hiroshi KatayamaMitsuru Watabe (2 patents)Hiroshi KatayamaShoji Sasaki (2 patents)Hiroshi KatayamaMitsuyuki Hombu (2 patents)Hiroshi KatayamaKoichi Yahata (2 patents)Hiroshi KatayamaMasashige Tsuji (2 patents)Hiroshi KatayamaJunichiro Misawa (2 patents)Hiroshi KatayamaTakafumi Ueda (2 patents)Hiroshi KatayamaYasushi Itoshiro (2 patents)Hiroshi KatayamaKouichi Saito (2 patents)Hiroshi KatayamaHiroaki Igarashi (2 patents)Hiroshi KatayamaTetsuya Ichihashi (2 patents)Hiroshi KatayamaHirotomo Katano (2 patents)Hiroshi KatayamaTakashi Fujimoto (2 patents)Hiroshi KatayamaSatoshi Tanaka (1 patent)Hiroshi KatayamaHiroshi Kimura (1 patent)Hiroshi KatayamaKenji Miyata (1 patent)Hiroshi KatayamaSanshiro Obara (1 patent)Hiroshi KatayamaMotoya Ito (1 patent)Hiroshi KatayamaHiroshi Kanazawa (1 patent)Hiroshi KatayamaTakuya Motoishi (1 patent)Hiroshi KatayamaYuuki Kubota (1 patent)Hiroshi KatayamaNobuyoshi Tsuboi (1 patent)Hiroshi KatayamaHoung Joong Kim (1 patent)Hiroshi KatayamaHiroshi Ohnishi (1 patent)Hiroshi KatayamaTaizo Miyazaki (1 patent)Hiroshi KatayamaHirofumi Yuchi (1 patent)Hiroshi KatayamaHideki Nihei (1 patent)Hiroshi KatayamaKazuo Ohnishi (1 patent)Hiroshi KatayamaMichimasa Horiuchi (1 patent)Hiroshi KatayamaTaizou Miyazaki (1 patent)Hiroshi KatayamaTunehiro Endo (1 patent)Hiroshi KatayamaHiroshi Yamaguchi (1 patent)Hiroshi KatayamaTeizo Tamura (1 patent)Hiroshi KatayamaYuji Sato (1 patent)Hiroshi KatayamaShigeru Kurosu (1 patent)Hiroshi KatayamaToshio Nakamoto (1 patent)Hiroshi KatayamaKoji Nishikawa (1 patent)Hiroshi KatayamaTakefumi Sawada (1 patent)Hiroshi KatayamaKenichi Hironaka (1 patent)Hiroshi KatayamaToshio Osada (1 patent)Hiroshi KatayamaJun Ohya (1 patent)Hiroshi KatayamaTakashi Takahashi (1 patent)Hiroshi KatayamaYoshio Ito (1 patent)Hiroshi KatayamaKiyoshi Yamamuro (1 patent)Hiroshi KatayamaAkira Tamura (1 patent)Hiroshi KatayamaJunichiro Ishii (1 patent)Hiroshi KatayamaKouchi Saito (1 patent)Hiroshi KatayamaNicolas Samman (1 patent)Hiroshi KatayamaYosimi Sekita (1 patent)Hiroshi KatayamaTakuro Kawano (1 patent)Hiroshi KatayamaHiroshi Katayama (47 patents)Shigeki MorinagaShigeki Morinaga (59 patents)Mitsuo KayanoMitsuo Kayano (59 patents)Junichi IshiiJunichi Ishii (39 patents)Toshimichi MinowaToshimichi Minowa (170 patents)Fumio TajimaFumio Tajima (85 patents)Yoshiyuki YoshidaYoshiyuki Yoshida (45 patents)Kenichiro KurataKenichiro Kurata (9 patents)Seiichi NarushimaSeiichi Narushima (6 patents)Kunio MiyashitaKunio Miyashita (56 patents)Kohji MakiKohji Maki (39 patents)Nobuyoshi MutohNobuyoshi Mutoh (26 patents)Kim Houng JoongKim Houng Joong (17 patents)Yoshihito OsawaYoshihito Osawa (5 patents)Ryoso MasakiRyoso Masaki (84 patents)Satoru KanekoSatoru Kaneko (75 patents)Yasuo MorookaYasuo Morooka (63 patents)Mitsuru WatabeMitsuru Watabe (61 patents)Shoji SasakiShoji Sasaki (41 patents)Mitsuyuki HombuMitsuyuki Hombu (19 patents)Koichi YahataKoichi Yahata (16 patents)Masashige TsujiMasashige Tsuji (14 patents)Junichiro MisawaJunichiro Misawa (12 patents)Takafumi UedaTakafumi Ueda (12 patents)Yasushi ItoshiroYasushi Itoshiro (9 patents)Kouichi SaitoKouichi Saito (8 patents)Hiroaki IgarashiHiroaki Igarashi (7 patents)Tetsuya IchihashiTetsuya Ichihashi (3 patents)Hirotomo KatanoHirotomo Katano (2 patents)Takashi FujimotoTakashi Fujimoto (2 patents)Satoshi TanakaSatoshi Tanaka (93 patents)Hiroshi KimuraHiroshi Kimura (91 patents)Kenji MiyataKenji Miyata (53 patents)Sanshiro ObaraSanshiro Obara (47 patents)Motoya ItoMotoya Ito (28 patents)Hiroshi KanazawaHiroshi Kanazawa (28 patents)Takuya MotoishiTakuya Motoishi (28 patents)Yuuki KubotaYuuki Kubota (25 patents)Nobuyoshi TsuboiNobuyoshi Tsuboi (21 patents)Houng Joong KimHoung Joong Kim (17 patents)Hiroshi OhnishiHiroshi Ohnishi (17 patents)Taizo MiyazakiTaizo Miyazaki (17 patents)Hirofumi YuchiHirofumi Yuchi (16 patents)Hideki NiheiHideki Nihei (15 patents)Kazuo OhnishiKazuo Ohnishi (14 patents)Michimasa HoriuchiMichimasa Horiuchi (14 patents)Taizou MiyazakiTaizou Miyazaki (13 patents)Tunehiro EndoTunehiro Endo (10 patents)Hiroshi YamaguchiHiroshi Yamaguchi (9 patents)Teizo TamuraTeizo Tamura (9 patents)Yuji SatoYuji Sato (8 patents)Shigeru KurosuShigeru Kurosu (6 patents)Toshio NakamotoToshio Nakamoto (6 patents)Koji NishikawaKoji Nishikawa (5 patents)Takefumi SawadaTakefumi Sawada (5 patents)Kenichi HironakaKenichi Hironaka (5 patents)Toshio OsadaToshio Osada (4 patents)Jun OhyaJun Ohya (3 patents)Takashi TakahashiTakashi Takahashi (3 patents)Yoshio ItoYoshio Ito (3 patents)Kiyoshi YamamuroKiyoshi Yamamuro (2 patents)Akira TamuraAkira Tamura (2 patents)Junichiro IshiiJunichiro Ishii (1 patent)Kouchi SaitoKouchi Saito (1 patent)Nicolas SammanNicolas Samman (1 patent)Yosimi SekitaYosimi Sekita (1 patent)Takuro KawanoTakuro Kawano (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (28 from 42,485 patents)

2. Sony Corporation (15 from 58,129 patents)

3. Daicel Polymer Ltd. (3 from 24 patents)

4. Nec Corporation (1 from 35,658 patents)

5. Japan Servo Co.,ltd. (1 from 152 patents)

6. Hitachi Automotive Engineering Co., Ltd. (1 from 152 patents)


47 patents:

1. 12122900 - Electromagnetic wave shielding molded article

2. 11515644 - Electromagnetic wave shielding and absorbing molded article

3. 10615508 - Thermoplastic resin composition for molded article having capability of shielding millimeter waves

4. 9690393 - Information processing device, program, recording medium, and information processing system

5. 8947868 - Protective cover and information processor

6. 8704113 - Keyboard and electronic apparatus

7. 8040088 - Power inverter

8. 7929061 - Signal processing apparatus and signal processing method

9. 7653462 - Control unit for vehicle and total control system therefor

10. 7600240 - Data processing apparatus and method

11. 7561448 - Power inverter

12. 7454124 - Video reproducing apparatus and reproducing method

13. 7415070 - Apparatus for decoding an MPEG picture stream

14. 7415071 - Method for decoding an MPEG picture stream

15. 7386051 - Apparatus for decoding an MPEG picture stream

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