TS

Takashi Sada

JT Jtekt: 13 patents #83 of 1,969Top 5%
NS Nippon Steel: 4 patents #672 of 4,423Top 20%
NM Nippon Steel & Sumitomo Metal: 3 patents #369 of 1,491Top 25%
KC Koyo Seiko Co.: 2 patents #228 of 749Top 35%
Overall (All Time): #309,186 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12359268 Carbonitrided bearing component Yutaka Neishi, Tomohiro Yamashita, Daisuke Hirakami, Takahisa Suzuki, Tatsuya Koyama +1 more 2025-07-15
11965231 Steel material to be starting material of carbonitrided bearing component Yutaka Neishi, Tomohiro Yamashita, Daisuke Hirakami, Takahisa Suzuki, Tatsuya Koyama +1 more 2024-04-23
11326643 Rolling sliding member and method of producing the same, and rolling bearing including rolling sliding member Kohei Kanetani, Tomohiro Yamashita, Takahisa Suzuki, Yutaka Neishi, Daisuke Hirakami 2022-05-10
11319605 Heat treatment apparatus and heat treatment method Wataru Yoshida, Towako Matsui, Katsuhiko Kizawa, Tsuyoshi Mikami 2022-05-03
11168387 Steel material for carburized bearing part Tomohiro Yamashita, Takahisa Suzuki, Yutaka Neishi, Daisuke Hirakami, Kohei Kanetani 2021-11-09
10538821 Heat treatment apparatus and heat treatment method Wataru Yoshida, Towako Matsui, Katsuhiko Kizawa, Tsuyoshi Mikami 2020-01-21
10538832 Steel for carbonitrided bearing Yutaka Neishi, Takahisa Suzuki, Tatsuya Koyama, Shingo Yamasaki, Kohei Kanetani 2020-01-21
10358706 Carbonitrided bearing part Yutaka Neishi, Takahisa Suzuki, Tatsuya Koyama, Shingo Yamasaki, Kohei Kanetani 2019-07-23
10047797 Bearing constituent member, method of manufacturing bearing constituent member, and rolling bearing Kohei Kanetani, Takahiro SHIMANO, Tetsuya Hironaka, Yutaka Neishi, Tomohiro Yamashita 2018-08-14
9709099 Bearing ring and rolling bearing Wataru Yoshida, Towako Matsui, Katsuhiko Kizawa 2017-07-18
8894292 Split outer ring, split rolling bearing using the same ring and construction and method of mounting the same rolling bearing Kazuyoshi Yamakawa, Junji Murata, Toshiyuki Saito, Naoki Tani 2014-11-25
8523452 Bearing structure and manufacturing method thereof Kazuyoshi Yamakawa 2013-09-03
7950856 Tapered roller bearing Hiroki Matsuyama, Tomoya Hattori 2011-05-31
5997988 Machine part 1999-12-07
5885690 Machine part 1999-03-23