TH

Tetsuya Hayashi

Sumitomo Electric Industries: 79 patents #56 of 21,551Top 1%
Nissan Motor Co.: 67 patents #7 of 8,689Top 1%
PA Panasonic: 24 patents #737 of 21,108Top 4%
Casio Computer Co.: 15 patents #134 of 1,970Top 7%
RS Renault S.A.S.: 10 patents #18 of 1,209Top 2%
HM Hitachi Medical: 9 patents #72 of 680Top 15%
Sharp Kabushiki Kaisha: 8 patents #2,076 of 10,731Top 20%
KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
NT Ntn: 6 patents #253 of 1,364Top 20%
SU Subaru: 6 patents #143 of 1,436Top 10%
TI Toray Industries: 3 patents #932 of 3,690Top 30%
FL Fujitsu Semiconductor Limited: 3 patents #229 of 1,301Top 20%
NS Nippon Sharyo: 3 patents #20 of 87Top 25%
SA Sumitomo Electric Sintered Alloy: 3 patents #19 of 73Top 30%
NC Nkk Co.: 3 patents #209 of 1,173Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
FL Fujitsu Microelectronics Limited: 2 patents #92 of 624Top 15%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
NE Nec: 2 patents #5,510 of 14,502Top 40%
TS Toshiba Digital Solutions: 2 patents #40 of 245Top 20%
AC Asahi Engineering Co.: 2 patents #5 of 32Top 20%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
TK Toyo Aluminium K.K.: 1 patents #6 of 44Top 15%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
Pioneer: 1 patents #1,107 of 1,730Top 65%
Overall (All Time): #1,964 of 4,157,543Top 1%
251
Patents All Time

Issued Patents All Time

Showing 25 most recent of 251 patents

Patent #TitleCo-InventorsDate
12360309 Multi-core optical fiber and multi-core optical fiber cable 2025-07-15
12339496 Optical waveguide device and optical communication system including same Yuki ARAO 2025-06-24
12328884 Semiconductor device, power module and manufacturing method for the semiconductor device Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka 2025-06-10
12068411 Semiconductor device and method for manufacturing same Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka, Keisuke Takemoto 2024-08-20
12013571 Optical connection device Yuki ARAO, Tetsuya Nakanishi 2024-06-18
12007601 Multi-core optical fiber and multi-core optical fiber cable 2024-06-11
11996442 Semiconductor device and method of manufacturing semiconductor device Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka, Keisuke Takemoto 2024-05-28
11973108 Semiconductor device and manufacturing method thereof Wei Ni, Keiichiro Numakura, Toshiharu Marui, Ryouta TANAKA, Yuichi Iwasaki 2024-04-30
11973135 Semiconductor device Keisuke Takemoto, Wei Ni, Toshiharu Marui, Ryouta TANAKA, Shigeharu Yamagami 2024-04-30
11881526 Semiconductor device and method for manufacturing same Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka, Yuichi Iwasaki 2024-01-23
11828978 Multi-core optical fiber and multi-core optical fiber cable Tetsuya Nakanishi 2023-11-28
11754466 Mode-dependent loss measurement device and mode-dependent loss measuring method Takemi Hasegawa, Yuki Kawaguchi 2023-09-12
11756994 Semiconductor device and method of manufacturing semiconductor device Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka, Keisuke Takemoto 2023-09-12
11675121 Multi-core optical fiber and multi-core optical fiber cable 2023-06-13
11664466 Semiconductor device, power module and method for manufacturing the semiconductor device Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka 2023-05-30
11623275 Method for producing sintered member, and sintered member Keiichi Uemoto, Tatsushi Yamamoto, Shunichi Yano 2023-04-11
11604312 Multi-core optical fiber and multi-core optical fiber cable 2023-03-14
11591681 Iron-based sintered body Tomoyuki Ueno, Koji Yamada, Kazuya Takizawa, Yuki Adachi 2023-02-28
11561340 Multi-core optical fiber and multi-core optical fiber cable Tetsuya Nakanishi 2023-01-24
11557674 Semiconductor device and method for manufacturing the same Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka, Keisuke Takemoto 2023-01-17
11557647 Semiconductor device and manufacturing method thereof Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka, Keisuke Takemoto 2023-01-17
11480727 Multi-core optical fiber 2022-10-25
11476326 Semiconductor device and method of manufacturing semiconductor device Toshiharu Marui, Keiichiro Numakura, Wei Ni, Ryota Tanaka, Keisuke Takemoto 2022-10-18
11347811 State analysis device, state analysis method, and storage medium Minoru Nishizawa, Kozo Banno, Yasuomi Une, Shigeru Matsumoto 2022-05-31
11342841 Method for controlling resonance-type power converter, resonance-type power converter, and DC-DC converter Toshihiro Kai, Shigeharu Yamagami, Yusuke Zushi, Taku Shimomura 2022-05-24