MK

Masashi Kitamura

HI Hitachi: 24 patents #1,340 of 28,497Top 5%
OC Omron Healthcare Co.: 13 patents #48 of 475Top 15%
Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%
Colgate-Palmolive: 7 patents #408 of 2,015Top 25%
JC Japan Servo Co.: 7 patents #13 of 161Top 9%
HC Hitachi Powdered Metals Co.: 4 patents #32 of 246Top 15%
HC Hitachi Industrial Equipment Systems Co.: 4 patents #117 of 550Top 25%
NT NTT: 2 patents #2,095 of 4,871Top 45%
SI Seiko Instruments: 1 patents #836 of 1,437Top 60%
Overall (All Time): #45,229 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 25 most recent of 55 patents

Patent #TitleCo-InventorsDate
12345475 Heat exchanger core, heat exchanger, and method of producing heat exchanger core Masaya Hatanaka, Hiroyuki Nakaharai, Nobuhide Hara, Yoichi Uefuji, Shunsaku Eguchi +2 more 2025-07-01
12257030 Electric toothbrush, brush unit, and method for operating an electric toothbrush Hideaki Yoshida, Mamoru Katano, Toshifumi MATSUMOTO 2025-03-25
12241697 Heat exchanger, method of producing heat exchanger, and method of confirming blockage of heat exchanger Masaya Hatanaka, Hiroyuki Nakaharai, Nobuhide Hara, Yoichi Uefuji, Shunsaku Eguchi +3 more 2025-03-04
12038235 Heat exchange core and heat exchanger Takeshi Kaneko, Koichi Tanimoto, Hiroyuki Nakaharai, Yoichi Uefuji, Koichiro Iida +3 more 2024-07-16
11980517 Electric toothbrush and method for operating an electric toothbrush Hideaki Yoshida, Mamoru Katano, Sakae MORIKAWA 2024-05-14
11903481 Plaque detecting device and toothbrush incorporating same Hideyuki Yamashita, Kosuke Abe, Hideaki Yoshida, Yasuhiro Kawabata 2024-02-20
11638957 Additive manufactured object Masaya Hatanaka, Hiroyuki Nakaharai, Koichi Tanimoto, Nobuhide Hara, Takuo Oda +2 more 2023-05-02
11590578 Internal defect detection system, three-dimensional additive manufacturing device, internal defect detection method, method of manufacturing three-dimensional additive manufactured product, and three-dimensional Ryuichi Narita, Toshiya Watanabe, Akio Kondou, Hidetaka Haraguchi, Shuji TANIGAWA +2 more 2023-02-28
11420260 Method of manufacturing fabricated object Masahiko Mega, Shuji TANIGAWA, Masayuki Ota, Takahisa Hasegawa, Koji TSUKIMOTO +1 more 2022-08-23
11344952 Three-dimensional additive manufacturing device, three-dimensional additive manufacturing method, and three-dimensional additive manufactured product Ryuichi Narita, Toshiya Watanabe, Akio Kondou, Hidetaka Haraguchi, Shuji TANIGAWA 2022-05-31
11246404 Plaque detecting device and toothbrush incorporating same Hideyuki Yamashita, Kosuke Abe, Hideaki Yoshida, Yasuhiro Kawabata 2022-02-15
11185925 Process abnormality detection system for three-dimensional additive manufacturing device, three-dimensional additive manufacturing device, process abnormality detection method for three-dimensional additive manufacturing device, method for manufacturing three-dimensional additive manufactured product, and three-dimensional additive manufactured product Ryuichi Narita, Toshiya Watanabe, Akio Kondou, Hidetaka Haraguchi, Shuji TANIGAWA +3 more 2021-11-30
11072192 Printing unit and thermal printer Tomohiro Murata, Akio Naito, Kouji Kawaguchi 2021-07-27
10946633 Additive manufacturing method Shuji TANIGAWA, Yasuyuki Fujiya, Shuho Tsubota 2021-03-16
10869741 Electric toothbrush and method for operating an electric toothbrush Hideaki Yoshida, Mamoru Katano, Sakae MORIKAWA 2020-12-22
10765323 Electric toothbrush, brush unit, and method for operating an electric toothbrush Hideaki Yoshida, Mamoru Katano 2020-09-08
10743649 Plaque detecting device and toothbrush Hideyuki Yamashita, Kosuke Abe, Hideaki Yoshida, Yasuhiro Kawabata 2020-08-18
9492094 Blood pressure monitor Kai Zhong, Chun ZHANG 2016-11-15
9385581 Magnetic gear mechanism Yuji Enomoto, Junnosuke Nakatsugawa, Norihisa Iwasaki 2016-07-05
9143025 Magnetic gear mechanism including a plurality of rotors or stators Norihisa Iwasaki, Yuji Enomoto, Junnosuke Nakatsugawa, Kinya Kobayashi, Hironori Matsumoto 2015-09-22
8781763 Method for analyzing operating point of permanent magnet, program therefor, and recording medium Shigeru Kakugawa, Kohji Maki, Shinji Sugimoto 2014-07-15
8513842 Heat radiation structure for rotary electromotor Norihisa Iwasaki, Junnosuke Nakatsugawa, Yuji Enomoto 2013-08-20
RE44037 Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machine Fumio Tajima, Yutaka Matsunobu, Noriaki Hino, Takashi Kobayashi, Shigeru Kakugawa +1 more 2013-03-05
8259990 Monitoring and operation image integrating system of plants and monitoring and operation image integrating method Tadashi Ohi 2012-09-04
8067871 Permanent magnet rotating electric machine and electric car using the same Fumio Tajima, Yutaka Matsunobu, Noriaki Hino, Takashi Kobayashi, Shigeru Kakugawa +1 more 2011-11-29