Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HM

Hirohiko Murakami

ULUlvac: 7 patents #38 of 680Top 6%
NGNihon Shinku Gijutsu: 5 patents #11 of 128Top 9%
IJIshikawajima-Harima Jukogyo: 2 patents #81 of 494Top 20%
NLNippon Mining Company Limited: 2 patents #46 of 262Top 20%
VCVacuum Metallurgical Co.: 2 patents #7 of 16Top 45%
IEIse Electronics: 1 patents #20 of 31Top 65%
JIJapan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
Samsung: 1 patents #49,284 of 75,807Top 70%
Overall (All Time): #318,537 of 4,157,543Top 8%
15 Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11112176 Freeze vacuum drying apparatus and freeze vacuum drying method Tsutomu Nishihashi, Haruhisa Nakano, Tsuyoshi Yoshimoto, Masaki Itou, Takumi Komiya 2021-09-07
10050265 Positive electrode having sulfur contained in pores between nanocarbon structures, alkali metal-sulfur battery including the same, and method of preparing the positive electrode Ryo Omoda, Takanobu Yamada, Haruhisa Nakano, Naoki TSUKAHARA, Tatsuhiro Nozue +2 more 2018-08-14
9997770 Lithium-sulfur secondary battery Naoki TSUKAHARA, Yoshiaki Fukuda, Tatsuhiro Nozue 2018-06-12
9882202 Positive electrode for lithium-sulfur secondary battery and method of forming the same Tatsuhiro Nozue 2018-01-30
8471140 Porous silica precursor composition and method for preparing the precursor composition, porous silica film and method for preparing the porous silica film, semiconductor element, apparatus for displaying an image, as well as liquid crystal display Takahiro Nakayama, Tatsuhiro Nozue 2013-06-25
8448497 Apparatus and method for measurement of water vapor permeability Daisuke Omori, Hiroyuki Yamakawa, Satoaki Ikeuchi 2013-05-28
6919106 Method for preparing porous SOG film Chiaki Tanaka, Masaaki Hirakawa 2005-07-19
6812634 Graphite nanofibers, electron-emitting source and method for preparing the same, display element equipped with the electron-emitting source as well as lithium ion secondary battery Masaaki Hirakawa, Chiaki Tanaka 2004-11-02
6652923 Electron-emitting source, electron-emitting module, and method of manufacturing electron-emitting source Sashiro Uemura, Takeshi Nagasako, Junko Yotani 2003-11-25
6522055 Electron-emitting source, electron-emitting module, and method of manufacturing electron-emitting source Sashiro Uemura, Takeshi Nagasako, Junko Yotani 2003-02-18
6214259 Dispersion containing Cu ultrafine particles individually dispersed therein Masaaki Oda, Nobuya Imazeki, Hiroyuki Yamakawa 2001-04-10
6194316 Method for forming CU-thin film Masaaki Oda, Nobuya Imazeki, Hiroyuki Yamakawa 2001-02-27
5306696 Method of producing YBa.sub.2 Cu.sub.4 O.sub.x -type superconducting metal oxides Junya Nishino, Seiji Yaegashi, Yu Shiohara, Shoji Tanaka 1994-04-26
5236890 Method of producing superconductor of metal oxides Junya Nishino, Seiji Yaegashi, Yu Shiohara, Shoji Tanaka 1993-08-17
4885147 Process for preparing a large-grained UO.sub.2 fuel Toru Ogawa, Kousaku Fukuda 1989-12-05