Growing community of inventors

Shiojiri, Japan

Koji Kawai

Average Co-Inventor Count = 5.60

ph-index = 7

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 = 96

Koji KawaiYoshiyuki Tanaka (13 patents)Koji KawaiNaomi Kimura (13 patents)Koji KawaiShoma Kudo (12 patents)Koji KawaiShoichi Ishizawa (12 patents)Koji KawaiMakoto Omuro (12 patents)Koji KawaiKoji Nishimaki (9 patents)Koji KawaiTomoyuki Higuchi (7 patents)Koji KawaiHidenao Suzuki (6 patents)Koji KawaiHideki Kato (5 patents)Koji KawaiKazunori Takabayashi (5 patents)Koji KawaiMatt Delegate (5 patents)Koji KawaiTakanori Matsuda (2 patents)Koji KawaiMuhamad Gigih Agung Pratomo (2 patents)Koji KawaiEkie Purnomo (2 patents)Koji KawaiMuhamad Auf (2 patents)Koji KawaiYoshihiro Koizumi (1 patent)Koji KawaiIchiro Yoshioka (1 patent)Koji KawaiManabu Akahane (1 patent)Koji KawaiYusuke Yamashita (1 patent)Koji KawaiTakaaki Ishikawa (1 patent)Koji KawaiSoshi Okawa (1 patent)Koji KawaiMasahide Nakagawa (1 patent)Koji KawaiYusuke Kimura (1 patent)Koji KawaiKoji Kawai (23 patents)Yoshiyuki TanakaYoshiyuki Tanaka (197 patents)Naomi KimuraNaomi Kimura (92 patents)Shoma KudoShoma Kudo (93 patents)Shoichi IshizawaShoichi Ishizawa (32 patents)Makoto OmuroMakoto Omuro (29 patents)Koji NishimakiKoji Nishimaki (15 patents)Tomoyuki HiguchiTomoyuki Higuchi (20 patents)Hidenao SuzukiHidenao Suzuki (31 patents)Hideki KatoHideki Kato (31 patents)Kazunori TakabayashiKazunori Takabayashi (26 patents)Matt DelegateMatt Delegate (8 patents)Takanori MatsudaTakanori Matsuda (6 patents)Muhamad Gigih Agung PratomoMuhamad Gigih Agung Pratomo (3 patents)Ekie PurnomoEkie Purnomo (2 patents)Muhamad AufMuhamad Auf (2 patents)Yoshihiro KoizumiYoshihiro Koizumi (62 patents)Ichiro YoshiokaIchiro Yoshioka (31 patents)Manabu AkahaneManabu Akahane (24 patents)Yusuke YamashitaYusuke Yamashita (18 patents)Takaaki IshikawaTakaaki Ishikawa (17 patents)Soshi OkawaSoshi Okawa (16 patents)Masahide NakagawaMasahide Nakagawa (3 patents)Yusuke KimuraYusuke Kimura (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Seiko Epson Corporation (23 from 33,404 patents)


23 patents:

1. 10981390 - Liquid container and liquid injection apparatus

2. 10538095 - Droplet ejecting apparatus

3. D856412 - Printer

4. 10343409 - Liquid jet apparatus, tank unit, and printer

5. D841085 - Printer

6. D839342 - Printer

7. 10183491 - Cap attached to ink tank of printer

8. 10118398 - Plug member and liquid container unit

9. D829276 - Printer

10. D828442 - Printer

11. 10011118 - Recording apparatus

12. D817392 - Ink cartridge

13. D802050 - Ink tank container for a printer

14. 9707768 - Plug member and liquid container unit

15. 9707769 - Recording apparatus

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as of
12/8/2025
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