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Assignee profile:

SUMITOMO ELECTRIC INDUSTRIES, LTD.

City:

Osaka

Country:

Japan

Published Applications:

5,567

Last publication date:

2026-06-18

Patent Grants:

4,821

Last grant date:

2026-03-03

Sumitomo Electric Industries, Ltd. is a Japanese multinational corporation headquartered in Osaka, Japan. It is one of the core companies of the Sumitomo Group and is one of the largest electrical and electronic equipment manufacturers in the world. The company produces a wide range of products including automotive components, optical fibers, cables, power systems, and electronic devices. It also provides engineering services and has research and development centers in Japan, the United States, Europe, and Asia.

Quarterly SUMITOMO ELECTRIC INDUSTRIES, LTD. Patent Applications

Top Inventors for applications by SUMITOMO ELECTRIC INDUSTRIES, LTD.

These are the the leading inventors for applications assigned to SUMITOMO ELECTRIC INDUSTRIES, LTD.:

Housei MIZUNO 95 Mie, Japan
Hiroki Hirai 73 Mie, Japan
Koji NITTA 58 Osaka, Japan
Takeshi HAGIHARA 56 Yokkaichi, Japan

Tetsuya NISHIMURA 54 Mie, Japan
Makoto HIGASHIKOZONO 51 Mie, Japan
Hiroki Hirai 50 Yokkaichi, Japan
Sumitomo Electric Industries, Ltd. 49 Osaka, Japan

Seiji Nakahata 49 Itami, Japan
Seiji Nakahata 48 Itami-shi, Japan
Tatsuya IZUMI 46 Osaka, Japan
Yoshiki Kuhara 45 Osaka, Japan

Shoichiro SAKAI 45 Osaka, Japan
Yoshihiro NAKAI 40 Osaka, Japan
Osamu Nakayama 40 Mie, Japan
Shinichi TAKASE 38 Mie, Japan

Haruka NAKANO 36 Mie, Japan
Akihisa HOSOE 35 Osaka, Japan
Hiroki SHIMODA 35 Mie, Japan
Hiroki HIRAI 35 Yokkaichi-shi, Japan

Motoki Kakui 34 Yokohama, Japan
Jun-ichi HASHIMOTO 34 Yokohama-shi, Japan
Katsumi OKAMURA 34 Osaka, Japan
Koji Uematsu 33 Itami, Japan

Masatoshi MAJIMA 33 Osaka, Japan
Hiromi Nakanishi 32 Osaka, Japan
Jun-ichi Hashimoto 31 Yokohama, Japan
Tetsuya NAKANISHI 31 Osaka, Japan

Masayuki KATO 31 Yokkaichi, Japan
Yasuyuki Otsuka 31 Yokkaichi, Japan
Miyu ARAMAKI 31 Mie, Japan
Keiji TANAKA 30 Yokohama-shi, Japan

Takahiro Imai 30 Itami, Japan
Keiji TANAKA 29 Yokohama, Japan
Koji Uematsu 29 Itami-shi, Japan
Keiji TANAKA 29 Osaka, Japan

Fumiaki SATO 28 Osaka, Japan
Yasuhiro YABUUCHI 28 Yokkaichi, Japan
Satoshi YAMAMOTO 28 Mie, Japan
Keiji ISHIBASHI 28 Itami-shi, Japan

Hitoshi TAKEDA 28 Mie, Japan
Eisuke Sasaoka 27 Yokohama, Japan
Masahiro Adachi 27 Osaka, Japan
Darmawan Go 27 Yokkaichi, Japan

Hiroshi SHIMIZU 27 Mie, Japan
Youichi NAGAI 26 Osaka, Japan
Tetsuya KUWABARA 26 Osaka, Japan
Shinsuke Fujiwara 26 Itami-shi, Japan

Yoshiyuki Yamamoto 26 Itami, Japan
Motohiro Yokoi 26 Mie, Japan
Yoshio OKA 26 Osaka, Japan
Suguru Yamagishi 26 Osaka, Japan

Akito ISHII 26 Osaka, Japan
Ryuta TAKAKURA 25 Mie, Japan
Takeshi HAGIHARA 25 Yokkaichi-shi, Japan
Keiji Ishibashi 25 Itami, Japan

Taichiro Nishikawa 25 Osaka, Japan
Hirohiko Nakata 25 Itami, Japan
Taiji YANAGIDA 25 Mie, Japan
Hideki YAGI 25 Machida-shi, Japan

Hidetoshi ISHIDA 25 Mie, Japan
Motoki Kakui 25 Yokohama-shi, Japan
Yoshiki Nishibayashi 25 Itami, Japan
Tetsuya MIYAMURA 25 Mie, Japan

Hideki Yagi 24 Machida, Japan
Akihiro Ogawa 24 Osaka, Japan
Daisuke EBATA 24 Mie, Japan
Shinji INAZAWA 24 Osaka, Japan

Osamu NAKAYAMA 23 Osaka, Japan
Toshiaki Okuno 23 Yokohama, Japan
Taro FUJITA 23 Osaka, Japan
Seiji NAKAHATA 23 Hyogo, Japan

Masuhiro Natsuhara 23 Itami, Japan
Tomoyuki UENO 23 Osaka, Japan
Takeshi Hagihara 23 Yokkaichi-shi, Mie, Japan
Masaki UENO 23 Itami, Japan

Yuki KAWAGUCHI 23 Osaka, Japan
Naoki FUKUSHIMA 23 Mie, Japan
Masaaki TABATA 23 Mie, Japan
Anongsack Paseuth 23 Osaka, Japan

Naoki Matsumoto 22 Itami-shi, Japan
Katsushi MIYAZAKI 22 Mie, Japan
Fumiaki SATO 22 Osaka-shi, Osaka, Japan
Takaya Kohori 22 Kanuma, Japan

Tetsuji TANAKA 22 Yokkaichi, Japan
Masaaki Hirano 22 Yokohama, Japan
Naoki Matsumoto 22 Itami, Japan
Hirofumi Urayama 22 Osaka, Japan

Hideyuki TANAKA 22 Osaka, Japan
Takaya KOHORI 22 Kanuma-shi, Japan
Takayuki NISHIURA 22 Itami-shi, Japan
Hirotaka SAKUMA 22 Osaka, Japan

Tetsuya Nakanishi 21 Yokohama, Japan
Nobuyuki MATSUMURA 21 Mie, Japan
Takuji Okahisa 21 Itami, Japan
Yusuke YAMAMOTO 21 Osaka, Japan

Masaki Mizushita 21 Mie, Japan
Yuuki SUGISAWA 21 Yokkaichi, Japan
Shigeyuki TANAKA 21 Osaka, Japan
Seiji Takahashi 21 Yokkaichi, Japan

Recent patent applications by SUMITOMO ELECTRIC INDUSTRIES, LTD.

SUMITOMO ELECTRIC INDUSTRIES, LTD. based in Osaka, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

SUMITOMO ELECTRIC INDUSTRIES, LTD.

Top Inventors for applications by SUMITOMO ELECTRIC INDUSTRIES, LTD.

Recent patent applications by SUMITOMO ELECTRIC INDUSTRIES, LTD.

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