MK

Masazumi Kobayashi

NT Ntn: 39 patents #12 of 1,364Top 1%
Overall (All Time): #80,561 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
12429095 Plunging-type constant velocity universal joint Daiki SUZUKI, Tatsuro Sugiyama 2025-09-30
12359695 Fixed-type constant velocity universal joint Tomoshige Kobayashi 2025-07-15
12203510 Plunging type constant velocity universal joint for propeller shaft Tomoshige Kobayashi 2025-01-21
11835096 Plunging type constant velocity universal joint for propeller shaft Tomoshige Kobayashi 2023-12-05
11359676 Fixed-type constant velocity universal joint Tomoshige Kobayashi 2022-06-14
11359677 Plunging type constant velocity universal joint for rear-wheel drive shaft Tomoshige Kobayashi 2022-06-14
11353066 Fixed type constant velocity universal joint for rear-wheel drive shaft Tomoshige Kobayashi 2022-06-07
11326649 Rear-wheel drive shaft Tomoshige Kobayashi 2022-05-10
10933462 Method for forging shaft member of constant velocity universal joint Yoshiya Mano, Shintaro Suzuki, Shunichirou Tsuboi, Akira Nagatake, Renji Natsume +2 more 2021-03-02
10761065 Device for inspecting junction-type outer joint member of constant velocity universal joint Hiromi Nagai, Daisuke Kagawa, Naoki Nakagawa, Takashi Imanaka, Yasuhiko Sakakibara +2 more 2020-09-01
10539193 Method for manufacturing outer joint member for constant-velocity universal joint and outer joint member Takeshi Shimasawa, Naoki Nakagawa, Tsuneaki Hiraoka, Shintaro Suzuki, Tatsuro Sugiyama 2020-01-21
10514070 Method for manufacturing outer joint member for constant velocity universal joint, shaft member and outer joint member Renji Natsume, Kuniaki HARADA, Yoshiya Mano, Kiyohiro Suzuki, Shunichirou Tsuboi +2 more 2019-12-24
10478914 Method for butt welding, butt welded joint, and outside joint member for constant velocity universal joint Naoki Nakagawa, Shintaro Suzuki, Kenichi Nakano, Takuya Fujita, Kiyohiro Suzuki +2 more 2019-11-19
10352369 Constant velocity universal joint outer joint member and manufacturing method for same Daisuke Kagawa, Tsuneaki Hiraoka, Shintaro Suzuki, Naoki Nakagawa, Tatsuro Sugiyama 2019-07-16
10280984 Constant velocity universal joint outer joint member and manufacturing method for same Jun Numamoto, Kenichi Nakano, Takuya Fujita, Akira Sera, Hiroshi Matsunaga +1 more 2019-05-07
10221895 Method for manufacturing outer joint member for constant-velocity universal joint and outer joint member Shintaro Suzuki, Yoshiya Mano, Tsuneaki Hiraoka, Tatsuro Sugiyama 2019-03-05
10107338 Method for manufacturing outer joint member for constant velocity universal joint and outer joint member Hiromi Nagai, Naoki Nakagawa, Yasuhiko Sakakibara, Tatsuro Sugiyama 2018-10-23
9605715 Method of manufacturing outer joint member of constant velocity universal joint, and outer joint member Masafumi Osugi, Morihiro Wada, Tsuyoshi Ueno, Tatsuro Sugiyama 2017-03-28
8529360 Outer joint member for fixed constant velocity universal joint Kisao Yamazaki, Minoru Ishijima 2013-09-10
8499457 Fixed constant velocity universal joint, method of manufacturing fixed constant velocity universal joint, and bearing device adapted for use in driving wheel and using fixed constant velocity universal joint Kisao Yamazaki, Minoru Ishijima 2013-08-06
8469829 Fixed constant velocity universal joint Kenji Yamada 2013-06-25
8403764 Constant velocity universal joint 2013-03-26
8388456 Fixed-type, constant-velocity universal joint Kisao Yamazaki 2013-03-05
8342971 Fixed type constant velocity universal joint Kisao Yamazaki, Hisaaki Kura, Shin Tomogami 2013-01-01
8182352 Constant velocity universal joint 2012-05-22