Growing community of inventors

Tokyo, Japan

Hatsumi Kawata

Average Co-Inventor Count = 9.00

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 = 10

Hatsumi Kawata ↔ Yoshio Iizuka (1 patent)Hatsumi Kawata ↔ Masaki Okajima (1 patent)Hatsumi Kawata ↔ Naohiro Shimada (1 patent)Hatsumi Kawata ↔ Motoyuki Yamamoto (1 patent)Hatsumi Kawata ↔ Hideaki Kinoshita (1 patent)Hatsumi Kawata ↔ Hiroko Nagasaka (1 patent)Hatsumi Kawata ↔ Nobuyuki Matsuura (1 patent)Hatsumi Kawata ↔ Gen-ichi Hatakoshi (1 patent)Hatsumi KawataHatsumi Kawata (1 patent)Yoshio IizukaYoshio Iizuka (73 patents)Masaki OkajimaMasaki Okajima (17 patents)Naohiro ShimadaNaohiro Shimada (9 patents)Motoyuki YamamotoMotoyuki Yamamoto (9 patents)Hideaki KinoshitaHideaki Kinoshita (6 patents)Hiroko NagasakaHiroko Nagasaka (2 patents)Nobuyuki MatsuuraNobuyuki Matsuura (1 patent)Gen-ichi HatakoshiGen-ichi Hatakoshi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (1 from 52,730 patents)


1 patent:

1. 4799228 - Transverse-mode stabilized semiconductor laser diode with slab-coupled

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12/17/2025
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