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Tadashi Murakami — 59 Patents

Panasonic: 22 patents #866 of 21,108Top 5%

Mitsubishi Electric: 10 patents #2,886 of 25,717Top 15%

UIUbe Industries: 9 patents #110 of 1,686Top 7%

SCSankyo Holdings Co.: 4 patents #171 of 700Top 25%

DIDaicel Chemical Industries: 3 patents #213 of 893Top 25%

NSNippon Steel: 2 patents #1,308 of 4,423Top 30%

JIJapan Atomic Energy Research Institute: 2 patents #81 of 609Top 15%

NCNippon Kokan Co.: 2 patents #138 of 735Top 20%

OCOsaka Gas Co.: 1 patents #252 of 689Top 40%

RPResearch Association For Residual Oil Processing: 1 patents #12 of 41Top 30%

Rohm Co.: 1 patents #1,438 of 2,292Top 65%

CMCmet: 1 patents #8 of 32Top 25%

TCTsubakimoto Chain: 1 patents #320 of 593Top 55%

NCNihon Kogyo Co.: 1 patents #16 of 29Top 60%

Kyocera: 1 patents #2,054 of 3,732Top 60%

Osaka, JP: #384 of 24,344 inventorsTop 2%

Overall (All Time): #40,067 of 4,157,543Top 1%

59 Patents All Time

Tadashi Murakami has been granted 59 US patents while listed as an inventor at Panasonic. The first was granted in 1980 and the most recent in March 2025. Tadashi Murakami ranks #40,067 of 4,157,543 US inventors in our database (top 0.96%). Patent records list Tadashi Murakami in Osaka, JP.

Patents per Year

Issued Patents All Time

Showing 1–25 of 59 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12253119	Cam clutch unit	Akira Morita, Hirokazu Tsuneda	2025-03-18
11552525	Rotating electrical machine including a refrigerant passage	Jun Tahara, Takashi Hashiba, Satoshi Mitsunaga, Hiroyuki Higashino, Mitsunori Ishizaki +2 more	2023-01-10
11532974	Electric rotating machine	Yuki Hidaka, Toshiyuki Yoshizawa, Naohide Maeda, Hiroyuki Higashino	2022-12-20
10778068	Rotating electrical machine cooling structure, and control method thereof	Masaya Inoue, Kouichi Ojima	2020-09-15
10505410	Rotary electric machine having bolt passage members	Kouichi Ojima, Shinji Nishimura	2019-12-10
10491059	Rotating electric machine including swaging portions for steel sheets of stator core	Naomi Kikuchi, Atsushi Sakaue, Tatsuro Hino, Akihiro Yamamura, Shogo Okamoto +2 more	2019-11-26
10481252	Sensor device and lighting device	Tatsuo Masuda, Shigeo Gotoh	2019-11-19
10477657	Illumination system, illumination setting method, and recording medium	—	2019-11-12
10415813	Luminaire	Yoshiaki Honda, Takaaki Ukeda, Tatsuo Masuda, Shigeo Gotoh	2019-09-17
10411542	Fixing structure and fixing method for wire connection plate, and rotating electrical machine	Kouichi Ojima, Masaya Inoue	2019-09-10
10291104	Apparatus for cooling an electric rotating machine	Yukitaka Sakata, Yoshiaki Kitta, Katsunari Takagi, Koichi Ojima, Masaya Inoue	2019-05-14
10103602	Rotary electric machine	Yoshiaki Kitta, Manabu Yoshinori, Yukitaka Sakata, Katsunari Takagi, Koichi Ojima +1 more	2018-10-16
9958133	Optical lens, lens array, and lighting apparatus	Jun Hirai	2018-05-01
9882444	Rotating electrical machine having a structure for support of a bus bar and terminal block	Kouichi Ojima, Masaya Inoue	2018-01-30
9874662	Illumination device	Takashi Ohta	2018-01-23
9849984	Lighting apparatus with optical member having asymmetric light incident surface	Takashi Ohta	2017-12-26
9557029	Lighting device	Osamu Tanahashi, Yoshiyuki Miyake, Hideharu Kawachi	2017-01-31
9420660	Lighting fixture including human detecting sensor	Shigeo Gotou	2016-08-16
9416948	Light-emitting module and lighting apparatus	Kyohei NAKAMURA, Yuuya YAMAMOTO	2016-08-16
9227727	Lighting system	Tadasi Nisimura, Youji Tachino, Atsushi Motoya, Takashi Ohta, Hiroshi Kido +3 more	2016-01-05
9207308	Doppler sensor and illumination device including same	Shigeo Gotou	2015-12-08
9185779	Sensor device for reducing erroneous activation of a light source	Shigeo Gotoh	2015-11-10
9146310	Object detection device and illumination system provided therewith	Tamami Ono, Shigeo Gotou	2015-09-29
9127815	Lighting apparatus	Youji Tachino, Atsushi Motoya, Takashi Ohta, Hiroshi Kido, Junichi Hasegawa +3 more	2015-09-08
9072132	Lighting control system	Shigeo Gotoh	2015-06-30