Growing community of inventors

Hiroshima, Japan

Takashi Yamashita

Average Co-Inventor Count = 2.20

ph-index = 5

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 = 61

Takashi YamashitaTakashi Ogawa (2 patents)Takashi YamashitaTatsuaki Uehara (2 patents)Takashi YamashitaMasaharu Ohnishi (2 patents)Takashi YamashitaMasayuki Daio (2 patents)Takashi YamashitaKoichi Hotta (2 patents)Takashi YamashitaHirofumi Yamane (2 patents)Takashi YamashitaMasaki Soda (2 patents)Takashi YamashitaYoshihiro Kohara (1 patent)Takashi YamashitaHiromu Oda (1 patent)Takashi YamashitaShoichi Yokoyama (1 patent)Takashi YamashitaKatsuya Ashizawa (1 patent)Takashi YamashitaSyuuji Raisu (1 patent)Takashi YamashitaMinoru Teishi (1 patent)Takashi YamashitaNobukazu Onishi (1 patent)Takashi YamashitaYasunori Ichikizaki (1 patent)Takashi YamashitaHiroshi Nakamura (1 patent)Takashi YamashitaMasaya Kunii (1 patent)Takashi YamashitaMasato Hirakawa (1 patent)Takashi YamashitaTakashi Yamashita (12 patents)Takashi OgawaTakashi Ogawa (63 patents)Tatsuaki UeharaTatsuaki Uehara (24 patents)Masaharu OhnishiMasaharu Ohnishi (10 patents)Masayuki DaioMasayuki Daio (5 patents)Koichi HottaKoichi Hotta (3 patents)Hirofumi YamaneHirofumi Yamane (3 patents)Masaki SodaMasaki Soda (2 patents)Yoshihiro KoharaYoshihiro Kohara (8 patents)Hiromu OdaHiromu Oda (7 patents)Shoichi YokoyamaShoichi Yokoyama (4 patents)Katsuya AshizawaKatsuya Ashizawa (4 patents)Syuuji RaisuSyuuji Raisu (4 patents)Minoru TeishiMinoru Teishi (3 patents)Nobukazu OnishiNobukazu Onishi (2 patents)Yasunori IchikizakiYasunori Ichikizaki (2 patents)Hiroshi NakamuraHiroshi Nakamura (1 patent)Masaya KuniiMasaya Kunii (1 patent)Masato HirakawaMasato Hirakawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (6 from 832,680 patents)

2. Nishikawa Rubber Co., Ltd. (5 from 231 patents)

3. Honda Motor Co., Ltd. (2 from 21,831 patents)


12 patents:

1. 10803846 - Soundproofing material

2. 10479176 - Door hole seal

3. 10149397 - Protecting cover and electronic device assembly

4. 7100966 - Ventilation structure of automobile door

5. 6832451 - Weather strip for use on a sunroof

6. 6811213 - Weather strip for use on a sunroof

7. 6783171 - Automotive weatherstrip

8. 6684575 - Weather strip for automobile

9. 6640499 - Door weather strip structure

10. 6536834 - Door weather strip with seal lips attached thereto

11. 5655333 - Glass run

12. 5639533 - Door weather strip

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idiyas.com
as of
12/7/2025
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