Growing community of inventors

Osaka, Japan

Fumio Ishibashi

Average Co-Inventor Count = 2.52

ph-index = 10

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 = 234

Fumio IshibashiKiyoyuki Okuyama (7 patents)Fumio IshibashiAkifumi Kuroda (2 patents)Fumio IshibashiYoshihisa Ishiba (2 patents)Fumio IshibashiHideya Takahashi (2 patents)Fumio IshibashiYukio Kubota (2 patents)Fumio IshibashiYoshiaki Kurokawa (1 patent)Fumio IshibashiTamenobu Yamamoto (1 patent)Fumio IshibashiHirokazu Kobayashi (12 patents)Fumio IshibashiYasuo Noma (2 patents)Fumio IshibashiEiji Shimizu (2 patents)Fumio IshibashiKoichiro Oka (1 patent)Fumio IshibashiKeishi Yoshikawa (1 patent)Fumio IshibashiNaoki Miyano (1 patent)Fumio IshibashiNoboru Kawanishi (1 patent)Fumio IshibashiJindai Yamaguchi (1 patent)Fumio IshibashiTakeshi Takata (1 patent)Fumio IshibashiKouichiro Oka (0 patent)Fumio IshibashiFumio Ishibashi (14 patents)Kiyoyuki OkuyamaKiyoyuki Okuyama (84 patents)Akifumi KurodaAkifumi Kuroda (8 patents)Yoshihisa IshibaYoshihisa Ishiba (6 patents)Hideya TakahashiHideya Takahashi (5 patents)Yukio KubotaYukio Kubota (5 patents)Yoshiaki KurokawaYoshiaki Kurokawa (22 patents)Tamenobu YamamotoTamenobu Yamamoto (22 patents)Hirokazu KobayashiHirokazu Kobayashi (12 patents)Yasuo NomaYasuo Noma (11 patents)Eiji ShimizuEiji Shimizu (4 patents)Koichiro OkaKoichiro Oka (10 patents)Keishi YoshikawaKeishi Yoshikawa (3 patents)Naoki MiyanoNaoki Miyano (3 patents)Noboru KawanishiNoboru Kawanishi (2 patents)Jindai YamaguchiJindai Yamaguchi (2 patents)Takeshi TakataTakeshi Takata (1 patent)Kouichiro OkaKouichiro Oka (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Yanmar Co., Ltd. (10 from 651 patents)

2. Yamamoto Kogaku Co., Ltd. (4 from 120 patents)

3. Yanmar Agricultural Equipment Co., Ltd. (2 from 26 patents)

4. Sharp Corporation (1 from 847 patents)


14 patents:

1. D766338 - Tractor

2. D759730 - Tractor

3. D756421 - Tractor

4. D755256 - Tractor

5. D755257 - Tractor

6. D754215 - Bonnet for tractor

7. D754213 - Cabin for tractor

8. D749645 - Tractor

9. 7922324 - Synthetic resin lens and eye lens article thereof

10. 7344473 - Hydraulic transmission vehicle

11. 7192137 - Sports goggle

12. 7170058 - Device for assisting a person in rescue operations under hazardous situations

13. 7037236 - Hydraulic transmission vehicle

14. 6814902 - Method for continuously manufacturing optical article

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as of
12/10/2025
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