Growing community of inventors

Chiba, Japan

Hiroshi Yoshinaga

Average Co-Inventor Count = 6.70

ph-index = 21

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 = 1,495

Hiroshi YoshinagaKenji Ishii (123 patents)Hiroshi YoshinagaToshihiko Shimokawa (117 patents)Hiroshi YoshinagaMasaaki Yoshikawa (104 patents)Hiroshi YoshinagaTakahiro Imada (97 patents)Hiroshi YoshinagaNaoki Iwaya (96 patents)Hiroshi YoshinagaIppei Fujimoto (92 patents)Hiroshi YoshinagaYutaka Ikebuchi (88 patents)Hiroshi YoshinagaTakamasa Hase (87 patents)Hiroshi YoshinagaTakuya Seshita (80 patents)Hiroshi YoshinagaYoshiki Yamaguchi (79 patents)Hiroshi YoshinagaShuutaroh Yuasa (68 patents)Hiroshi YoshinagaHiromasa Takagi (66 patents)Hiroshi YoshinagaHajime Gotoh (64 patents)Hiroshi YoshinagaArinobu Yoshiura (58 patents)Hiroshi YoshinagaKazuya Saito (53 patents)Hiroshi YoshinagaTetsuo Tokuda (50 patents)Hiroshi YoshinagaTakeshi Uchitani (49 patents)Hiroshi YoshinagaTakayuki Seki (48 patents)Hiroshi YoshinagaKensuke Yamaji (48 patents)Hiroshi YoshinagaAkira Suzuki (47 patents)Hiroshi YoshinagaTadashi Ogawa (44 patents)Hiroshi YoshinagaTeppei Kawata (42 patents)Hiroshi YoshinagaAkira Shinshi (40 patents)Hiroshi YoshinagaYuji Arai (38 patents)Hiroshi YoshinagaMasahiko Satoh (38 patents)Hiroshi YoshinagaKenichi Hasegawa (35 patents)Hiroshi YoshinagaTakashi Seto (33 patents)Hiroshi YoshinagaKazunari Sawada (29 patents)Hiroshi YoshinagaShuntaroh Tamaki (28 patents)Hiroshi YoshinagaRyuuichi Mimbu (22 patents)Hiroshi YoshinagaKazuhito Kishi (16 patents)Hiroshi YoshinagaShuntaro Tamaki (16 patents)Hiroshi YoshinagaShinichi Namekata (14 patents)Hiroshi YoshinagaYasunori Ishigaya (13 patents)Hiroshi YoshinagaMasanao Ehara (12 patents)Hiroshi YoshinagaRyota Yamashina (11 patents)Hiroshi YoshinagaMasahiro Samei (10 patents)Hiroshi YoshinagaTakayuki Andoh (10 patents)Hiroshi YoshinagaRyohei Matsuda (10 patents)Hiroshi YoshinagaKota Shiodera (10 patents)Hiroshi YoshinagaToshiyuki Kabata (9 patents)Hiroshi YoshinagaHiroyuki Shimada (9 patents)Hiroshi YoshinagaYasuhiko Ogino (9 patents)Hiroshi YoshinagaShohta Kobashigawa (9 patents)Hiroshi YoshinagaTakeshi Yamamoto (8 patents)Hiroshi YoshinagaTakeo Suda (8 patents)Hiroshi YoshinagaMotokazu Yasui (8 patents)Hiroshi YoshinagaMasumi Sato (7 patents)Hiroshi YoshinagaHirofumi Ogawa (7 patents)Hiroshi YoshinagaHideo Furukawa (7 patents)Hiroshi YoshinagaYukiko Iwasaki (6 patents)Hiroshi YoshinagaSusumu Matsusaka (6 patents)Hiroshi YoshinagaHitoshi Ishibashi (5 patents)Hiroshi YoshinagaRyohhei Sugiyama (5 patents)Hiroshi YoshinagaShigeru Watanabe (4 patents)Hiroshi YoshinagaKen Amemiya (4 patents)Hiroshi YoshinagaHiroshi Seo (4 patents)Hiroshi YoshinagaMasaru Tanaka (4 patents)Hiroshi YoshinagaTakatsugu Fujishiro (4 patents)Hiroshi YoshinagaHaruji Mizuishi (4 patents)Hiroshi YoshinagaDaisuke Inoue (3 patents)Hiroshi YoshinagaHiroyuki Gotoh (3 patents)Hiroshi YoshinagaHiroko Hirano (3 patents)Hiroshi YoshinagaYoshio Hattori (2 patents)Hiroshi YoshinagaKenzo Tatsumi (2 patents)Hiroshi YoshinagaAtsushi Takehara (2 patents)Hiroshi YoshinagaTetuso Tokuda (2 patents)Hiroshi YoshinagaMayumi Oh-Hori (2 patents)Hiroshi YoshinagaYuusuke Furuichi (1 patent)Hiroshi YoshinagaTomoya Adachi (1 patent)Hiroshi YoshinagaYukimichi Someya (1 patent)Hiroshi YoshinagaAkira Sawada (1 patent)Hiroshi YoshinagaKunihiro Ohyama (1 patent)Hiroshi YoshinagaHitoshi Fujiwara (1 patent)Hiroshi YoshinagaKenichi Hasegawa (34 patents)Hiroshi YoshinagaToshitaka Yamaguchi (4 patents)Hiroshi YoshinagaToshiharu Hachisuka (4 patents)Hiroshi YoshinagaMasami Hiramatsu (4 patents)Hiroshi YoshinagaMisaki Shimizu (3 patents)Hiroshi YoshinagaHiroyuki Kunii (2 patents)Hiroshi YoshinagaYoshinori Ozawa (2 patents)Hiroshi YoshinagaKazuhiko Yuuki (2 patents)Hiroshi YoshinagaKenzou Tatsumi (2 patents)Hiroshi YoshinagaKentaro Yamashita (2 patents)Hiroshi YoshinagaAkio Kosuge (1 patent)Hiroshi YoshinagaYoshiyuki Fukuda (1 patent)Hiroshi YoshinagaYutaka Naitoh (1 patent)Hiroshi YoshinagaYoshikuni Sasaki (1 patent)Hiroshi YoshinagaMayumi Yoshida (1 patent)Hiroshi YoshinagaTakayuki Yoshii (1 patent)Hiroshi YoshinagaKohji Kamiya (1 patent)Hiroshi YoshinagaMayumi Ohori (1 patent)Hiroshi YoshinagaKeisuke Kawabata (7 patents)Hiroshi YoshinagaNatsuki Watanabe (1 patent)Hiroshi YoshinagaKazuya Saito (4 patents)Hiroshi YoshinagaMoriaki Ogawa (1 patent)Hiroshi YoshinagaTomoyuki Nishikawa (1 patent)Hiroshi YoshinagaMitsuko Sugano (1 patent)Hiroshi YoshinagaYutaka Ikebuchii (1 patent)Hiroshi YoshinagaIppei Fijimoto (1 patent)Hiroshi YoshinagaHiroshi Yoshinaga (224 patents)Kenji IshiiKenji Ishii (253 patents)Toshihiko ShimokawaToshihiko Shimokawa (147 patents)Masaaki YoshikawaMasaaki Yoshikawa (128 patents)Takahiro ImadaTakahiro Imada (128 patents)Naoki IwayaNaoki Iwaya (126 patents)Ippei FujimotoIppei Fujimoto (120 patents)Yutaka IkebuchiYutaka Ikebuchi (121 patents)Takamasa HaseTakamasa Hase (132 patents)Takuya SeshitaTakuya Seshita (119 patents)Yoshiki YamaguchiYoshiki Yamaguchi (118 patents)Shuutaroh YuasaShuutaroh Yuasa (103 patents)Hiromasa TakagiHiromasa Takagi (115 patents)Hajime GotohHajime Gotoh (77 patents)Arinobu YoshiuraArinobu Yoshiura (86 patents)Kazuya SaitoKazuya Saito (95 patents)Tetsuo TokudaTetsuo Tokuda (65 patents)Takeshi UchitaniTakeshi Uchitani (118 patents)Takayuki SekiTakayuki Seki (88 patents)Kensuke YamajiKensuke Yamaji (80 patents)Akira SuzukiAkira Suzuki (153 patents)Tadashi OgawaTadashi Ogawa (101 patents)Teppei KawataTeppei Kawata (67 patents)Akira ShinshiAkira Shinshi (81 patents)Yuji AraiYuji Arai (201 patents)Masahiko SatohMasahiko Satoh (59 patents)Kenichi HasegawaKenichi Hasegawa (73 patents)Takashi SetoTakashi Seto (83 patents)Kazunari SawadaKazunari Sawada (33 patents)Shuntaroh TamakiShuntaroh Tamaki (43 patents)Ryuuichi MimbuRyuuichi Mimbu (53 patents)Kazuhito KishiKazuhito Kishi (67 patents)Shuntaro TamakiShuntaro Tamaki (17 patents)Shinichi NamekataShinichi Namekata (36 patents)Yasunori IshigayaYasunori Ishigaya (59 patents)Masanao EharaMasanao Ehara (36 patents)Ryota YamashinaRyota Yamashina (46 patents)Masahiro SameiMasahiro Samei (65 patents)Takayuki AndohTakayuki Andoh (53 patents)Ryohei MatsudaRyohei Matsuda (22 patents)Kota ShioderaKota Shiodera (11 patents)Toshiyuki KabataToshiyuki Kabata (77 patents)Hiroyuki ShimadaHiroyuki Shimada (58 patents)Yasuhiko OginoYasuhiko Ogino (28 patents)Shohta KobashigawaShohta Kobashigawa (14 patents)Takeshi YamamotoTakeshi Yamamoto (166 patents)Takeo SudaTakeo Suda (41 patents)Motokazu YasuiMotokazu Yasui (38 patents)Masumi SatoMasumi Sato (58 patents)Hirofumi OgawaHirofumi Ogawa (13 patents)Hideo FurukawaHideo Furukawa (8 patents)Yukiko IwasakiYukiko Iwasaki (53 patents)Susumu MatsusakaSusumu Matsusaka (37 patents)Hitoshi IshibashiHitoshi Ishibashi (60 patents)Ryohhei SugiyamaRyohhei Sugiyama (11 patents)Shigeru WatanabeShigeru Watanabe (107 patents)Ken AmemiyaKen Amemiya (57 patents)Hiroshi SeoHiroshi Seo (55 patents)Masaru TanakaMasaru Tanaka (49 patents)Takatsugu FujishiroTakatsugu Fujishiro (42 patents)Haruji MizuishiHaruji Mizuishi (31 patents)Daisuke InoueDaisuke Inoue (77 patents)Hiroyuki GotohHiroyuki Gotoh (5 patents)Hiroko HiranoHiroko Hirano (3 patents)Yoshio HattoriYoshio Hattori (59 patents)Kenzo TatsumiKenzo Tatsumi (51 patents)Atsushi TakeharaAtsushi Takehara (28 patents)Tetuso TokudaTetuso Tokuda (2 patents)Mayumi Oh-HoriMayumi Oh-Hori (2 patents)Yuusuke FuruichiYuusuke Furuichi (99 patents)Tomoya AdachiTomoya Adachi (70 patents)Yukimichi SomeyaYukimichi Someya (67 patents)Akira SawadaAkira Sawada (55 patents)Kunihiro OhyamaKunihiro Ohyama (54 patents)Hitoshi FujiwaraHitoshi Fujiwara (43 patents)Kenichi HasegawaKenichi Hasegawa (34 patents)Toshitaka YamaguchiToshitaka Yamaguchi (22 patents)Toshiharu HachisukaToshiharu Hachisuka (16 patents)Masami HiramatsuMasami Hiramatsu (9 patents)Misaki ShimizuMisaki Shimizu (13 patents)Hiroyuki KuniiHiroyuki Kunii (33 patents)Yoshinori OzawaYoshinori Ozawa (13 patents)Kazuhiko YuukiKazuhiko Yuuki (11 patents)Kenzou TatsumiKenzou Tatsumi (7 patents)Kentaro YamashitaKentaro Yamashita (6 patents)Akio KosugeAkio Kosuge (52 patents)Yoshiyuki FukudaYoshiyuki Fukuda (29 patents)Yutaka NaitohYutaka Naitoh (26 patents)Yoshikuni SasakiYoshikuni Sasaki (19 patents)Mayumi YoshidaMayumi Yoshida (15 patents)Takayuki YoshiiTakayuki Yoshii (11 patents)Kohji KamiyaKohji Kamiya (10 patents)Mayumi OhoriMayumi Ohori (10 patents)Keisuke KawabataKeisuke Kawabata (7 patents)Natsuki WatanabeNatsuki Watanabe (4 patents)Kazuya SaitoKazuya Saito (4 patents)Moriaki OgawaMoriaki Ogawa (4 patents)Tomoyuki NishikawaTomoyuki Nishikawa (3 patents)Mitsuko SuganoMitsuko Sugano (2 patents)Yutaka IkebuchiiYutaka Ikebuchii (1 patent)Ippei FijimotoIppei Fijimoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (222 from 28,474 patents)

2. Ricoh Corporation (1 from 233 patents)

3. Ricoii Company, Limited (1 from 1 patent)


224 patents:

1. 12422766 - Fixing device and image forming apparatus incorporating same

2. 12393141 - Fixing device and image forming apparatus

3. 12353150 - Fixing device and image forming apparatus

4. 12197150 - Fixing device and image forming apparatus incorporating the same

5. 12197151 - Heating device, fixing device, and image forming apparatus

6. 12197155 - Heating device, fixing device, and image forming apparatus with heat shield including first portion and second portion

7. 12135517 - Heating device, nip forming device, and image forming apparatus

8. 12124194 - Heating device, fixing device, and image forming apparatus

9. 12124197 - Heating device, fixing device, and image forming apparatus including lubricant and reflector

10. 12117768 - Image forming apparatus including a filter for collect foreign substances in air sucked into at least one intake

11. 12072651 - Heating device, fixing device, and image forming apparatus

12. 12072666 - Sheet conveying device, fixing device, and image forming apparatus

13. 12013652 - Heating device, fixing device, and image forming apparatus including a rotator holder and reflector

14. 11959039 - Heating device configured to limit a temperature rise of a lubricant, fixing device, and image forming apparatus

15. 11803143 - Nip formation pad, heating device, fixing device, and image forming apparatus

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