Growing community of inventors

Motosu, Japan

Yoshikazu Sumi

Average Co-Inventor Count = 8.00

ph-index = 1

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 = 2

Yoshikazu SumiHiroki Tanaka (9 patents)Yoshikazu SumiAkira Nishikawa (9 patents)Yoshikazu SumiTomoyuki Fukunaga (9 patents)Yoshikazu SumiKuniharu Matsuda (9 patents)Yoshikazu SumiMasayuki Hattori (9 patents)Yoshikazu SumiMasahiro Sugesawa (9 patents)Yoshikazu SumiHiroyuki Ishikura (9 patents)Yoshikazu SumiYoshikazu Sumi (9 patents)Hiroki TanakaHiroki Tanaka (18 patents)Akira NishikawaAkira Nishikawa (12 patents)Tomoyuki FukunagaTomoyuki Fukunaga (11 patents)Kuniharu MatsudaKuniharu Matsuda (10 patents)Masayuki HattoriMasayuki Hattori (9 patents)Masahiro SugesawaMasahiro Sugesawa (9 patents)Hiroyuki IshikuraHiroyuki Ishikura (9 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Central Japan Railway Company (9 from 118 patents)

2. Nippon Sharyo, Ltd. (7 from 51 patents)

3. Nippon Sharyo Co. Ltd. (2 from 4 patents)


9 patents:

1. D764351 - Lighting fixture for a passenger carrying car

2. D764086 - Light fixture for a vehicle

3. D762898 - Light fixture for a vehicle

4. D762896 - Light fixture for a vehicle

5. D762897 - Light fixture for a vehicle

6. D762895 - Light fixture for a vehicle

7. D762518 - Lighting fixture for a passenger carrying car

8. D762519 - Lighting fixture for a passenger carrying car

9. D761465 - Light bar for a motor vehicle

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/17/2025
Loading…