JO

Junichi Okubo

NS Nippon Steel: 11 patents #170 of 4,423Top 4%
NM Nippon Steel & Sumitomo Metal: 11 patents #49 of 1,491Top 4%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #171,865 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
11253910 Method for producing forged crankshaft Kenji Tamura, Kunihiro Yoshida, Sam Soo HWANG, Ryusuke NAKANO, Masao Hori +1 more 2022-02-22
11141817 Optical unit Keiichi Asami 2021-10-12
11045865 Method for producing forged crankshaft Kenji Tamura, Kunihiro Yoshida, Sam Soo HWANG, Ryusuke NAKANO, Masao Hori +1 more 2021-06-29
11045864 Method for producing forged crankshaft Kenji Tamura 2021-06-29
10875083 Apparatus and method for manufacturing forged crankshaft Tomohisa Yamashita, Kunihiro Yabuno, Ken-ichiro Yoshino, Sho Takamoto, Hiroyuki Kurokawa +3 more 2020-12-29
10828693 Apparatus for manufacturing forged crankshaft Tomohisa Yamashita, Sho Takamoto, Hiroyuki Kurokawa, Kunihiro Yabuno, Ken-ichiro Yoshino +1 more 2020-11-10
10799940 Method for producing forged crankshaft Kenji Tamura, Kunihiro Yoshida, Samsoo Hwang, Ryusuke NAKANO, Masao Hori 2020-10-13
10464120 Method for producing forged crankshaft Kenji Tamura, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa, Tomohisa Yamashita +2 more 2019-11-05
10456828 Method for producing forged crankshaft Kenji Tamura, Kunihiro Yoshida, Samsoo Hwang, Ryusuke NAKANO, Masao Hori 2019-10-29
10441995 Method for producing forged crankshaft Sho Takamoto, Kenji Tamura, Tomohisa Yamashita, Kunihiro Yabuno, Ken-ichiro Yoshino +2 more 2019-10-15
10413965 Method for producing forged crankshaft Sho Takamoto, Kenji Tamura, Tomohisa Yamashita, Kunihiro Yabuno, Ken-ichiro Yoshino +2 more 2019-09-17
10391546 Method for producing forged crankshaft Kenji Tamura, Kunihiro Yoshida, Samsoo Hwang, Ryusuke NAKANO, Masao Hori 2019-08-27
10350671 Method for producing a forged crankshaft Kenji Tamura, Koichiro Ishihara, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2019-07-16
10124398 Method for producing a forged crankshaft Kenji Tamura, Koichiro Ishihara, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2018-11-13
10086425 Method for producing a forged crankshaft Kenji Tamura, Koichiro Ishihara, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2018-10-02
10058912 Method for producing a forged crankshaft Kenji Tamura, Koichiro Ishihara, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2018-08-28
10029297 Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same Kenji Tamura, Kunihiro Yoshida 2018-07-24
10005122 Apparatus for forming a blank for finish forging for a forged crankshaft for a straight-6-cylinder engine and method for manufacturing a forged crankshaft for a straight-6-cylinder engine using the same Kenji Tamura, Kunihiro Yoshida 2018-06-26
10005121 Apparatus for forming a blank for finish forging for a forged crankshaft for a 4-cylinder engine, and method for manufacturing a forged crankshaft for a 4-cylinder engine using the same Kenji Tamura, Kunihiro Yoshida 2018-06-26
9937550 Method of manufacturing die forged crankshaft Tomihiko Fukuyasu, Nobutaka Tanimoto, Kunihiro Yoshida 2018-04-10
9731341 Forged crankshaft and method for manufacturing the forged crankshaft Hiroaki Tahira, Kisung Kim 2017-08-15
9707618 Apparatus for forming a blank for finish forging for a forged crankshaft for a three-cylinder engine and method for manufacturing a forged crankshaft for a three-cylinder engine using the same Kenji Tamura, Kunihiro Yoshida, Tomihiko Fukuyasu, Nobutaka Tanimoto, Tadashi MATSUI 2017-07-18
9630239 Apparatus for forming a blank for finish forging for a forged crankshaft Kenji Tamura, Kunihiro Yoshida, Tomihiko Fukuyasu, Nobutaka Tanimoto, Tadashi MATSUI 2017-04-25
6328468 Device for fixing temperature sensing element for air conditioner and method of assembling the same Masatoshi Nagano, Yukitaka Miyanagi 2001-12-11