KM

Kouki Matsubara

SH Sumitomo Electric Hardmetal: 25 patents #14 of 278Top 6%
JT Japan Science And Technology: 1 patents #225 of 836Top 30%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
📍 Itami, JP: #94 of 1,436 inventorsTop 7%
Overall (All Time): #141,290 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
12377474 Drill head and drill Ryusei Hamada, Kenta Nishi 2025-08-05
12280439 Cutting tool body, cutting insert, and cutting tool Tomoyuki Fukuyama, Shota Takemura, Shota Tsujimoto, Naoki Matsuda 2025-04-22
12226840 Rotary cutting tool cutting insert and rotary cutting tool Sachie Goto, Kohei Ito, Toya Nonen 2025-02-18
12134134 Cutting insert Tomoyuki Fukuyama, Shota Takemura, Shota Tsujimoto, Naoki Matsuda 2024-11-05
12036614 Cutting insert Tomoyuki Fukuyama, Shota Takemura, Shota Tsujimoto, Naoki Matsuda 2024-07-16
D1029896 Drill head Ryusei Hamada, Kenta Nishi 2024-06-04
D1029060 Drill holder Ryusei Hamada, Kenta Nishi 2024-05-28
D1029058 Cutting tool Sachie Goto, Kohei Ito, Toya Nonen 2024-05-28
11980951 Cutting insert Shota Takemura, Tomoyuki Fukuyama, Shota Tsujimoto, Naoki Matsuda 2024-05-14
D954116 Cutting tool Shota Tsujimoto, Katsuya Nakakihara, Naoki Matsuda, Tomoyuki Fukuyama 2022-06-07
11059112 Milling tool Keiji Kinoshita 2021-07-13
10807173 Cutting insert and milling tool Keiji Kinoshita, Yusuke Koike 2020-10-20
10766077 Cutting tool Yoshikatsu Mori, Ryusei Hamada, Masaaki Jindai, Kazuhiko Kashima, Yasuhiro Kajiwara 2020-09-08
D892876 Cutting tool Shota Takemura, Naoki Matsuda 2020-08-11
D879848 Cutting insert Keiji Kinoshita, Yusuke Koike 2020-03-31
10213851 Cutting tool and tool body Yusuke Koike, Katsuya Nakakihara, Atsuhiko Maeta 2019-02-26
D826664 Cutting tool Junya Okida, Naoki Matsuda 2018-08-28
9884377 Cutting insert and milling cutter Yusuke Koike, Katsuya Nakakihara, Atsuhiko Maeta 2018-02-06
D807718 Cutting tool Atsuhiko Maeta 2018-01-16
9630264 Cutting insert for a milling cutter Atsuhiko Maeta, Katsuya Nakakihara 2017-04-25
9616506 Cutting insert and face milling cutter using the same Atsuhiko Maeta, Katsuya Nakakihara 2017-04-11
9409240 Indexable cutting tool Atsuhiko Maeta, Shinya Imamura 2016-08-09
9333567 Indexable cutting insert for milling Atsuhiko Maeta, Katsuya Nakakihara, Yoshinari Nagami 2016-05-10
D710411 Cutting insert 2014-08-05
D708237 Cutting insert 2014-07-01