Growing community of inventors

Tokyo, Japan

Susumu Matsumoto

Average Co-Inventor Count = 2.78

ph-index = 9

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 = 257

Susumu MatsumotoYoshiyasu Ishii (23 patents)Susumu MatsumotoShinroku Nakao (18 patents)Susumu MatsumotoKiyoshi Hoshino (5 patents)Susumu MatsumotoTakehiko Takahashi (4 patents)Susumu MatsumotoHideo Saito (1 patent)Susumu MatsumotoTaira Hanashima (1 patent)Susumu MatsumotoKatuhiro Tokutake (1 patent)Susumu MatsumotoKatsuhiro Tokutake (1 patent)Susumu MatsumotoRyosuke Shimidzu (1 patent)Susumu MatsumotoChino Sugiyama (1 patent)Susumu MatsumotoTomono Sugiyama (1 patent)Susumu MatsumotoThomas Nelis (1 patent)Susumu MatsumotoJun Sekine (1 patent)Susumu MatsumotoSusumu Matsumoto (29 patents)Yoshiyasu IshiiYoshiyasu Ishii (127 patents)Shinroku NakaoShinroku Nakao (135 patents)Kiyoshi HoshinoKiyoshi Hoshino (37 patents)Takehiko TakahashiTakehiko Takahashi (50 patents)Hideo SaitoHideo Saito (103 patents)Taira HanashimaTaira Hanashima (28 patents)Katuhiro TokutakeKatuhiro Tokutake (3 patents)Katsuhiro TokutakeKatsuhiro Tokutake (2 patents)Ryosuke ShimidzuRyosuke Shimidzu (1 patent)Chino SugiyamaChino Sugiyama (1 patent)Tomono SugiyamaTomono Sugiyama (1 patent)Thomas NelisThomas Nelis (1 patent)Jun SekineJun Sekine (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Combi Co., Ltd. (21 from 169 patents)

2. Combi Corporation (7 from 192 patents)

3. Horiba, Ltd. (1 from 702 patents)


29 patents:

1. 6643013 - Glow discharge emission spectroscopic analysis apparatus

2. 5520433 - Mechanism for adjusting baby chair height

3. D361213 - Chair for baby

4. D344771 - Leg stretching machine

5. D334219 - Infant mobile

6. D333389 - Car baby bed

7. D331429 - Mobile

8. D328196 - High chair

9. D311934 - Toy vehicle

10. D307629 - Auxiliary toilet seat for a child

11. D306748 - Toy vehicle

12. D303459 - Baby seat

13. D302707 - Toy vehicle

14. D291156 - Convertible high chair

15. D282673 - Toy rattle

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as of
12/9/2025
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