YK

Yohei Katayama

NT NTT: 21 patents #112 of 4,871Top 3%
HS Hitachi Automotive Systems: 7 patents #226 of 1,636Top 15%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HA Hitachi Astemo: 3 patents #267 of 1,276Top 25%
KS Kabushiki Kaisha Hitachi Seisakusho: 1 patents #13 of 55Top 25%
TO Tokico: 1 patents #164 of 359Top 50%
📍 Hitachinaka, JP: #108 of 2,447 inventorsTop 5%
Overall (All Time): #91,246 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 1–25 of 36 patents

Patent #TitleCo-InventorsDate
12305732 Shock absorber Milton MUZVIDZIWA, Koichi YAMAKA 2025-05-20
12224797 Optical wireless communication device and optical wireless communication method Kazumitsu SAKAMOTO, Kento YOSHIZAWA, Takeshi Kinoshita, Etsushi Yamazaki, Takayuki Mizuno +1 more 2025-02-11
12206458 Communication apparatus and optical communication system Kazumitsu SAKAMOTO, Kento YOSHIZAWA, Hiroyuki Fukumoto, Takuya Ohara, Takeshi Kinoshita +2 more 2025-01-21
12206450 Phase difference distribution estimation method and phase difference distribution estimation apparatus Kazumitsu SAKAMOTO, Kento YOSHIZAWA, Hiroyuki Fukumoto, Takuya Ohara, Takeshi Kinoshita +2 more 2025-01-21
12192783 Station placement designing assistance apparatus, station placement designing assistance method and program Kazumitsu SAKAMOTO, Kenji Suzuki, Yosuke Fujino, Hiroyuki Fukumoto 2025-01-07
12149285 Optical wireless communication system and optical wireless communication method Kazumitsu SAKAMOTO, Kento YOSHIZAWA, Takeshi Kinoshita, Etsushi Yamazaki, Takayuki Mizuno +1 more 2024-11-19
12143924 Station placement designing apparatus, station placement designing method and program Kazumitsu SAKAMOTO, Kenji Suzuki, Yosuke Fujino, Hiroyuki Fukumoto 2024-11-12
12127231 Communication control apparatus, communication control method and program Kenji Suzuki, Kazumitsu SAKAMOTO, Yosuke Fujino, Hiroyuki Fukumoto 2024-10-22
12112885 Solenoid coil Yuichiro Tanaka, Shinji Seto, Norio Nakazato, Shunsuke Mori, Teruaki YAMANAKA +1 more 2024-10-08
12063520 Station placement designing assistance apparatus, station placement designing assistance method and program Kazumitsu SAKAMOTO, Kenji Suzuki, Yosuke Fujino, Hiroyuki Fukumoto 2024-08-13
11991545 Arrival rate estimation apparatus, arrival rate estimation method and program Kazumitsu SAKAMOTO, Kenji Suzuki, Yosuke Fujino, Hiroyuki Fukumoto 2024-05-21
11785475 Wireless terminal accommodation determination apparatus, wireless terminal accommodation determination method and program Kazumitsu SAKAMOTO, Kenji Suzuki, Yosuke Fujino, Hiroyuki Fukumoto 2023-10-10
11765640 Wireless communication system, control method, control apparatus, and control program Takafumi Fujita, Hideya So, Kento YOSHIZAWA 2023-09-19
11617070 Communication control device, communication control method and communication control system Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko NAYA 2023-03-28
11582766 Wireless communication system, communication method, transmitter and receiver Hideya So, Kento YOSHIZAWA, Takafumi Fujita 2023-02-14
11546868 Wireless communication method, control device, terminal and wireless communication system Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko NAYA 2023-01-03
11528726 Wireless communication system, control method, control apparatus, and control program Takafumi Fujita, Kento YOSHIZAWA, Hideya So 2022-12-13
11477099 Monitoring system Kenji Suzuki, Kazumitsu SAKAMOTO, Yosuke Fujino, Hiroyuki Fukumoto 2022-10-18
11438890 Wireless communication method, wireless communication device and wireless communication system for slot allocation Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko NAYA 2022-09-06
11432179 Environment information acquisition method, environment information acquisition apparatus and environment information acquisition system Maiko NAYA, Kenji Shimizu, Takahiro Yamazaki, Atsushi Taniguchi 2022-08-30
11419113 Wireless communication method, control device and wireless communication system Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko NAYA 2022-08-16
11412445 Access point management method, access point management apparatus, and access point management system Takahiro Yamazaki, Kenji Shimizu, Atsushi Taniguchi, Maiko NAYA 2022-08-09
11395324 Wireless communication method, wireless communication system and base station device Atsushi Taniguchi, Kenji Shimizu, Takahiro Yamazaki, Maiko NAYA, Takashi Shimizu 2022-07-19
11261932 Shock absorber Kosuke KADOKURA, Takao Nakadate, Osamu YUNO, Shunsuke Mori 2022-03-01
10012282 Shock absorber Yusei Kimura, Naofumi Harada, Satoshi Shimazaki 2018-07-03