RM

Ryoji Matsui

JS Jfe Steel: 7 patents #245 of 1,401Top 20%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
SI Sumitomo Rubber Industries: 3 patents #635 of 1,637Top 40%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #306,854 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12410497 Electric-resistance-welded steel pipe or tube for hollow stabilizer Masatoshi Aratani, Kazutoshi Ishikawa, Tomonori Kondou 2025-09-09
12398217 Rubber composition and pneumatic tire Rie Yasuda 2025-08-26
12264388 Electric-resistance-welded steel pipe or tube for hollow stabilizer and method of manufacturing same Masatoshi Aratani, Tomonori Kondou 2025-04-01
12172487 Electric-resistance-welded steel pipe for producing hollow stabilizer, hollow stabilizer, and method for producing same Masatoshi Aratani, Tomonori Kondo, Shinsaku Kokubo 2024-12-24
12037655 Electric resistance welded steel pipe or tube Masatoshi Aratani, Tomonori Kondou 2024-07-16
11866586 Rubber composition for tires and tire 2024-01-09
11772422 Tire rubber composition and tire 2023-10-03
11440125 Electric resistance welded steel pipe for producing hollow stabilizer, hollow stabilizer, and production methods for same Masatoshi Aratani, Hiroshi Nakata, Tomonori Kondo, Hiromichi Hori 2022-09-13
11332812 Electric resistance welded steel tubes for high-strength thin hollow stabilizers, and methods for manufacturing the same Masatoshi Aratani, Shinsaku Kokubo, Hiromichi Hori, Yoshikazu Kawabata 2022-05-17
10301703 High-strength welded steel pipe for airbag inflator and method for manufacturing the same Masatoshi Aratani, Yoshikazu Kawabata, Kenichi Iwazaki 2019-05-28
9130388 Contactless electricity-supplying device Toshiyuki Fujita, Hironori Kambara, Masayoshi Ozaki 2015-09-08
8705251 Bidirectional DC/DC converter and power conditioner Kazuhito Nishimura 2014-04-22
8362648 Electric power supply system Kazuhito Nishimura 2013-01-29
8310094 Power supply system Kazuo Yamada, Ayumi Yagi, Naoki Yoshimi 2012-11-13
6995915 Manufacturing method of micro-lens, manufacturing method of solid-state image pickup device and solid-state image pickup device Kazuyuki Takegawa, Tetsuya Yamada, Tsutomu Imai, Seiji Kai, Yuko Tanaka 2006-02-07