AS

Akira Sera

NT Ntn: 14 patents #110 of 1,364Top 9%
TO Tokuyama: 2 patents #163 of 562Top 30%
Overall (All Time): #290,620 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11560346 Method for producing isopropyl alcohol Masashi Shinagawa, Masanari Ishizuki 2023-01-24
10906021 Stainless steel member and production method thereof Michihito Nakatani, Yumiko Nakamura 2021-02-02
10280984 Constant velocity universal joint outer joint member and manufacturing method for same Jun Numamoto, Kenichi Nakano, Takuya Fujita, Hiroshi Matsunaga, Tatsuro Sugiyama +1 more 2019-05-07
9149859 Forging method, molding device for forgings, and tripod uniform motion universal joint Jiahua Miao, Shunsuke Makino 2015-10-06
9132473 Forging method, molding device for forgings, and tripod uniform motion universal joint Jiahua Miao, Shunsuke Makino 2015-09-15
8631581 Method for forming a wheel bearing apparatus Jun Numamoto 2014-01-21
8491398 Tripod type constant-velocity universal joint and method for producing the same Junichi Izumino, Kenji Konaka, Hiroshi Murakami, Jiahua Miao, Shunsuke Makino 2013-07-23
8353778 Forging method, closed forging mold and tripod uniform motion universal joint Jiahua Miao, Shunsuke Makino 2013-01-15
8007366 Wheel bearing device Eiji Tajima, Hiroyuki Ogura, Syougo Suzuki, Shigeaki Fukushima, Mitsuru Umekida +2 more 2011-08-30
7900493 Closed forging die and forging method Miao Jiahua, Nobuo Suzuki 2011-03-08
7465233 Wheel bearing device Eiji Tajima, Hiroyuki Ogura, Syougo Suzuki, Shigeaki Fukushima, Mitsuru Umekida +2 more 2008-12-16
7232374 Wheel bearing device Eiji Tajima, Hiroyuki Ogura, Syougo Suzuki, Shigeaki Fukushima, Mitsuru Umekida +2 more 2007-06-19
6739977 Wheel bearing device Eiji Tajima, Hiroyuki Ogura, Syougo Suzuki, Shigeaki Fukushima, Mitsuru Umekida +2 more 2004-05-25
6702472 Wheel bearing device and method of crimping the same Katsuhiko Nishio, Syougo Suzuki 2004-03-09
5764051 Cold forged toothed ring for producing rotational speed signals Eiji Tajima, Michio Iihara, Osamu Shimizu 1998-06-09
5544548 Cold forming method of toothed ring-shaped products and forming apparatus for its use Michio Iihara, Osamu Shimizu 1996-08-13