Growing community of inventors

Iwatsuki, Japan

Yutaka Nakahara

Average Co-Inventor Count = 3.13

ph-index = 12

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 = 483

Yutaka NakaharaMotonobu Minagawa (38 patents)Yutaka NakaharaTohru Haruna (17 patents)Yutaka NakaharaToshihiro Shibata (16 patents)Yutaka NakaharaEtsuo Tobita (11 patents)Yutaka NakaharaWilliam E Leistner (10 patents)Yutaka NakaharaNaohiro Kubota (9 patents)Yutaka NakaharaKazumi Kitsukawa (6 patents)Yutaka NakaharaRyozo Arata (5 patents)Yutaka NakaharaBunji Hirai (5 patents)Yutaka NakaharaMasayuki Takahashi (4 patents)Yutaka NakaharaRyoji Kimura (4 patents)Yutaka NakaharaMitsuo Akutsu (3 patents)Yutaka NakaharaAtsushi Nishimura (3 patents)Yutaka NakaharaMasaki Yagi (3 patents)Yutaka NakaharaTetsuo Sekiguchi (2 patents)Yutaka NakaharaKazuo Sugibuchi (2 patents)Yutaka NakaharaMitsuharu Kanai (2 patents)Yutaka NakaharaNaotoshi Sonoda (2 patents)Yutaka NakaharaTakayuki Saito (1 patent)Yutaka NakaharaHiroyuki Kawakami (1 patent)Yutaka NakaharaTsuneo Tsubakimoto (1 patent)Yutaka NakaharaTohru Kikuchi (1 patent)Yutaka NakaharaHiroshi Takahashi (1 patent)Yutaka NakaharaTsutomu Kagiya (1 patent)Yutaka NakaharaToshio Ohzeki (1 patent)Yutaka NakaharaRyoichi Oshiumi (1 patent)Yutaka NakaharaMasayuki Takahashi (1 patent)Yutaka NakaharaMasahiro Nonoyama (1 patent)Yutaka NakaharaKenji Tazima (1 patent)Yutaka NakaharaToshio Nakajima (1 patent)Yutaka NakaharaKoichi Sakano (1 patent)Yutaka NakaharaToshio Nakajima (1 patent)Yutaka NakaharaYutaka Nakahara (65 patents)Motonobu MinagawaMotonobu Minagawa (74 patents)Tohru HarunaTohru Haruna (33 patents)Toshihiro ShibataToshihiro Shibata (59 patents)Etsuo TobitaEtsuo Tobita (11 patents)William E LeistnerWilliam E Leistner (22 patents)Naohiro KubotaNaohiro Kubota (52 patents)Kazumi KitsukawaKazumi Kitsukawa (6 patents)Ryozo ArataRyozo Arata (10 patents)Bunji HiraiBunji Hirai (6 patents)Masayuki TakahashiMasayuki Takahashi (9 patents)Ryoji KimuraRyoji Kimura (5 patents)Mitsuo AkutsuMitsuo Akutsu (19 patents)Atsushi NishimuraAtsushi Nishimura (10 patents)Masaki YagiMasaki Yagi (5 patents)Tetsuo SekiguchiTetsuo Sekiguchi (13 patents)Kazuo SugibuchiKazuo Sugibuchi (10 patents)Mitsuharu KanaiMitsuharu Kanai (3 patents)Naotoshi SonodaNaotoshi Sonoda (2 patents)Takayuki SaitoTakayuki Saito (37 patents)Hiroyuki KawakamiHiroyuki Kawakami (16 patents)Tsuneo TsubakimotoTsuneo Tsubakimoto (15 patents)Tohru KikuchiTohru Kikuchi (13 patents)Hiroshi TakahashiHiroshi Takahashi (8 patents)Tsutomu KagiyaTsutomu Kagiya (5 patents)Toshio OhzekiToshio Ohzeki (5 patents)Ryoichi OshiumiRyoichi Oshiumi (3 patents)Masayuki TakahashiMasayuki Takahashi (1 patent)Masahiro NonoyamaMasahiro Nonoyama (1 patent)Kenji TazimaKenji Tazima (1 patent)Toshio NakajimaToshio Nakajima (1 patent)Koichi SakanoKoichi Sakano (1 patent)Toshio NakajimaToshio Nakajima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Adeka Argus Chemical Co., Ltd. (37 from 93 patents)

2. Argus Chemical Corporation (22 from 114 patents)

3. Other (5 from 832,912 patents)

4. Hitachi Chemical Company, Ltd. (1 from 1,641 patents)

5. Kyoto University (1 from 820 patents)


65 patents:

1. 4997888 - Weatherability and adherence of polypropylene

2. 4994529 - Weatherability and adherence of polypropylene

3. 4910238 - Poly(2,2,6,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabilizers

4. 4898688 - Poly(2,2,6-tetramethyl piperidyl amino)-1,3,5-triazines as stabilizers

5. 4897438 - Stabilized synthetic resin composition

6. 4885323 - Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol

7. 4871793 - Polyphenylene sulfide resin compositions having improved resistance to

8. 4820844 - Radiation sensitizer

9. 4812498 - Polycarbonate resin compositions having improved resistance to

10. 4798836 - Bis-(2,2,6,6-tetramethyl-piperidyl) diimides as light stabilizers for

11. 4767834 - Vinyl benzyl 2,2,6,6-tetramethyl piperidines

12. 4759871 - Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl

13. 4760141 - Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl

14. 4743688 - Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol

15. 4740544 - Hydrocarbyl(polyphenol)-poly(2,2,6,6-tetramethyl

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