KI

Koichiro Ishihara

NS Nippon Steel: 8 patents #274 of 4,423Top 7%
NM Nippon Steel & Sumitomo Metal: 7 patents #120 of 1,491Top 9%
SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
Overall (All Time): #261,066 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12187340 Support beam Yukihiko Kimura, Kunihiro Yabuno, Keigo Minatani, Sam Soo HWANG, Kenji Tamura +1 more 2025-01-07
11420472 Front axle beam and production method thereof Kenji Tamura, Kenji Imanishi, Sam Soo HWANG, Kunihiro Yabuno, Kunihiro Yoshida 2022-08-23
11390116 Front axle beam and production method thereof Kenji Tamura, Kenji Imanishi, Sam Soo HWANG, Kunihiro Yabuno, Kunihiro Yoshida 2022-07-19
10464120 Method for producing forged crankshaft Kenji Tamura, Junichi Okubo, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2019-11-05
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
10385911 Crankshaft for reciprocating engine, and design method thereof Ken-ichiro Yoshino 2019-08-20
10385912 Crankshaft for reciprocating engine Ken-ichiro Yoshino, Kunihiro Yabuno 2019-08-20
10350671 Method for producing a forged crankshaft Kenji Tamura, Junichi Okubo, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2019-07-16
10330142 Crankshaft for reciprocating engine Kenji Imanishi, Ken-ichiro Yoshino, Kunihiro Yabuno 2019-06-25
10247226 Crankshaft for reciprocating engine Kenji Imanishi, Kenji Tamura, Ken-ichiro Yoshino, Kunihiro Yabuno 2019-04-02
10124398 Method for producing a forged crankshaft Kenji Tamura, Junichi Okubo, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2018-11-13
10086425 Method for producing a forged crankshaft Kenji Tamura, Junichi Okubo, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2018-10-02
10058912 Method for producing a forged crankshaft Kenji Tamura, Junichi Okubo, Ken-ichiro Yoshino, Kunihiro Yabuno, Hiroyuki Kurokawa +2 more 2018-08-28
10012260 Crankshaft for reciprocating engine Kenji Imanishi, Ken-ichiro Yoshino, Kunihiro Yabuno 2018-07-03
5154984 Metal-ceramic composite Yoshiyasu Morita, Manabu Seguchi, Kazuo Okamura, Fuminori Hikami, Katsutoshi Hara 1992-10-13
4947924 Metal-ceramic composite and method of producing the same Yoshiyasu Morita, Manabu Seguchi, Kazuo Okamura, Fuminori Hikami, Katsutoshi Hara 1990-08-14