KC

Kotaro Chiba

HC Hitachi Industrial Equipment Systems Co.: 15 patents #16 of 550Top 3%
Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
TW The Japan Steel Works: 2 patents #158 of 643Top 25%
HC Hitachi-Johnson Controls Air Conditioning: 1 patents #77 of 179Top 45%
CC Chiyoda Chemical Entineering & Constructions Co.: 1 patents #41 of 119Top 35%
RS Renault S.A.S.: 1 patents #417 of 1,209Top 35%
Overall (All Time): #168,242 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
12313069 Screw compressor Shuhei Nagata, Shigeyuki YORIKANE, Kenji Morita, Yuta KAJIE 2025-05-27
12307393 Vehicle travel assistance device, vehicle travel assistance system, and vehicle travel assistance method Masahide Nakamura, Yutaka Mikuriya, Masaki Watanabe, Narihiro Akari, Xiaoxiao Fei 2025-05-20
12293387 Information processing device and information processing method Takehiro Miyoshi, Xiaoxiao Fei 2025-05-06
12146481 Gas compressor Ryota Iijima, Nae Hisano 2024-11-19
12135032 Screw compressor having working chamber closing member to regulate suction working medium flow to a working chamber Takeshi Tsuchiya, Shuhei Nagata, Shigeyuki YORIKANE, Kenji Morita, Yuta KAJIE 2024-11-05
12123411 Liquid-cooled rotary compressor and coolant supply method therefor Nae Hisano, Ryota Iijima, Takeshi Tsuchiya 2024-10-22
12123413 Screw compressor having a plurality of branch paths with intersects and central axes Masahiko Takano, Shigeyuki YORIKANE, Kenji Morita, Yoshitaka Takeuchi 2024-10-22
12110889 Screw compressor Masahiko Takano, Shigeyuki YORIKANE, Kenji Morita, Yuta KAJIE 2024-10-08
12078172 Multi-stage screw compressor Takeshi Tsuchiya, Toshiaki Yabe, Shigeyuki YORIKANE 2024-09-03
12031536 Screw compressor and screw rotor Takeshi Tsuchiya, Tomohiro Komatsu, Shota TANIMOTO, Toshiaki Yabe, Shigeyuki YORIKANE 2024-07-09
12025129 Liquid supply type screw compressor Shigeyuki YORIKANE, Masahiko Takano, Kenji Morita 2024-07-02
11933300 Screw compressor having a screw rotor whose pitch changes in an axial direction from a suction end surface toward a discharge end surface Shota TANIMOTO, Shigeyuki YORIKANE, Tomohiro Komatsu, Takeshi Tsuchiya 2024-03-19
11873817 Liquid-feeding rotary-screw compressor Takeshi Tsuchiya, Masahiko Takano, Shigeyuki YORIKANE, Kenji Morita 2024-01-16
11719241 Screw compressor having a lubrication path for a plurality of suction side bearings Masahiko Takano, Shigeyuki YORIKANE, Kenji Morita 2023-08-08
11428228 Screw compressor having a different pressure of the fluid applied to the seal ring on the delivery side shaft sealing unit Masahiko Takano, Kenji Morita, Yoshitaka Takeuchi, Takeshi Tsuchiya 2022-08-30
11359626 Screw compressor having a plurality of branch paths with intersects and central axes Masahiko Takano, Shigeyuki YORIKANE, Kenji Morita, Yoshitaka Takeuchi 2022-06-14
11231036 Screw compressor having an opening of a fluid supply portion between the compression intersection line and a trajectory line Masahiko Takano, Shigeyuki YORIKANE, Kenji Morita, Yoshitaka Takeuchi, Minako KANADA 2022-01-25
11149734 Fluid machine Masahiko Takano, Toshikazu Harashima, Kosuke SADAKATA, Kentaro Yamamoto, Takeshi Tsuchiya +3 more 2021-10-19
10995756 Air compressor Masanao KOTANI, Takeshi Tsuchiya, Ryoji KAWAI, Minako KANADA, Sachio Sekiya 2021-05-04
10514037 Liquid feeding type screw compressor Kosuke SADAKATA, Hitoshi Nishimura, Toshikazu Harashima, Kentaro Yamamoto, Takeshi Tsuchiya 2019-12-24
10145374 Screw compressor Ryuichiro Yonemoto, Takeshi Tsuchiya, Eisuke Kato, Yasuaki Iizuka 2018-12-04
9315147 Brake light control device Katsuaki Kubotera 2016-04-19
5057286 Vessel for use in hydrothermal synthesis Motohide Hatanaka, Masayuki Kawai 1991-10-15
4723595 Heat exchanger using hydrogen storage alloy Takashi Yasunaga, Jotaro Itoh, Akira Yanoma, Takaharu Nitta, Masaji Yoneta +1 more 1988-02-09