TF

Tomoyuki Fukuyama

SH Sumitomo Electric Hardmetal: 22 patents #20 of 278Top 8%
DE Denso: 2 patents #4,986 of 11,792Top 45%
CC Citizen Machinery Co.: 1 patents #38 of 80Top 50%
CC Citizen Watch Co.: 1 patents #668 of 1,225Top 55%
YC Yamamoto Kogaku Co.: 1 patents #38 of 58Top 70%
📍 Itami, JP: #107 of 1,436 inventorsTop 8%
Overall (All Time): #158,606 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
12280439 Cutting tool body, cutting insert, and cutting tool Kouki Matsubara, Shota Takemura, Shota Tsujimoto, Naoki Matsuda 2025-04-22
12134134 Cutting insert Kouki Matsubara, Shota Takemura, Shota Tsujimoto, Naoki Matsuda 2024-11-05
12036614 Cutting insert Kouki Matsubara, Shota Takemura, Shota Tsujimoto, Naoki Matsuda 2024-07-16
11980951 Cutting insert Kouki Matsubara, Shota Takemura, Shota Tsujimoto, Naoki Matsuda 2024-05-14
11692464 Valve timing adjustment device Tetsuro Mitsutani 2023-07-04
11640073 Eyeglasses Minoru Ikuta 2023-05-02
11504780 Cutting tool Tangwei Zhao 2022-11-22
11446742 Cutting insert for drill, and drill Yuma Kawakami, Shinya Ikenaga 2022-09-20
D954116 Cutting tool Shota Tsujimoto, Kouki Matsubara, Katsuya Nakakihara, Naoki Matsuda 2022-06-07
D940766 Cutting tool Yosuke Shimamoto, Junya Okida 2022-01-11
11193398 Valve timing adjustment device, and method for manufacturing same Yasuhiro Hamaoka 2021-12-07
11110526 Cutting insert Yusuke Koike, Yasuyuki Kanada, Atsuhiko Maeta, Yoshinari Nagami, Yuta Morisaki 2021-09-07
11065693 Cutting tool shim and cutting tool Tsutomu Hirano, Satoru Kukino, Takuma Kishimoto 2021-07-20
10926337 Cutting-off processing tool Junya Okida, Yosuke Shimamoto 2021-02-23
10875105 Cutting insert Yusuke Koike, Yuta Morisaki, Yasuyuki Kanada, Atsuhiko Maeta, Yoshinari Nagami 2020-12-29
10875106 Cutting insert Shota Tsujimoto, Yusuke Koike, Yasuyuki Kanada, Atsuhiko Maeta, Yoshinari Nagami 2020-12-29
10814401 Vibration cutting insert Kazuhiko Sannomiya 2020-10-27
D861754 Cutting tool Yosuke Shimamoto, Junya Okida 2019-10-01
D847885 Holder used for a cutting tool Junya Okida, Naoya Tsuda, Shinya Imamura 2019-05-07
10118228 Cutting insert Shinya Ikenaga, Yosuke Shimamoto, Junya Okida, Masanobu Ueda 2018-11-06
D824437 Cutting insert holder Yosuke Shimamoto, Takuma Kishimoto 2018-07-31
D815165 Cutting insert Yuta Morisaki, Yasuyuki Kanada, Katsuya Nakakihara 2018-04-10
D805116 Cutting insert 2017-12-12
9630255 Cutting-off processing tool Yosuke Shimamoto, Masanobu Ueda 2017-04-25
D616003 Indexable insert for a grooving tool Masanobu Ueda 2010-05-18