Growing community of inventors

Nara, Japan

Ichiro Ohnishi

Average Co-Inventor Count = 1.68

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 = 203

Ichiro OhnishiKenzou Kassai (15 patents)Ichiro OhnishiTakayoshi Okuyama (2 patents)Ichiro OhnishiMotofusa Ito (2 patents)Ichiro OhnishiToshio Oonuma (1 patent)Ichiro OhnishiHiroshi Nakayama (1 patent)Ichiro OhnishiMasaki Ito (1 patent)Ichiro OhnishiKenzuo Kassai (1 patent)Ichiro OhnishiTakanori Tanaka (0 patent)Ichiro OhnishiIchiro Ohnishi (25 patents)Kenzou KassaiKenzou Kassai (194 patents)Takayoshi OkuyamaTakayoshi Okuyama (2 patents)Motofusa ItoMotofusa Ito (2 patents)Toshio OonumaToshio Oonuma (1 patent)Hiroshi NakayamaHiroshi Nakayama (1 patent)Masaki ItoMasaki Ito (1 patent)Kenzuo KassaiKenzuo Kassai (1 patent)Takanori TanakaTakanori Tanaka (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Aprica Children's Products Inc. (10 from 11 patents)

2. Aprica Kassai Kabushikikaisha (8 from 136 patents)

3. Aprica Ikujikenkyukai Aprica Kassai Kabushikikaisha (6 from 7 patents)

4. Aprica Ikujikenkyukai Aprica Kassai Kabushikaisha (1 from 1 patent)


25 patents:

1. 8348340 - Seat structure

2. D664386 - Diaper pail refuse film cassette

3. 8210562 - Canopied foldable baby carriage

4. 8066300 - Foldable pushcart and foldable baby carriage

5. D646208 - Hood of baby carriage

6. D643342 - Frame structure of baby carriage

7. D635494 - Frame structure of baby carriage

8. D635491 - Frame structure of baby carriage

9. D615004 - Frame structure of baby carriage

10. 7585026 - Seat of child-care instrument

11. 7458599 - Luggage basket and folding baby carriage provided with the same

12. D580307 - Baby carriage

13. 7419181 - Foldable carriage body for carrying a seat

14. 7175004 - Wheel simultaneous brake mechanism and caster rotation preventing mechanism having simple mechanism

15. 7140634 - Foldable baby carriage

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as of
1/3/2026
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