MT

Masahiro Tomita

NS Nippon Soken: 29 patents #23 of 1,540Top 2%
DI Daikin Industries: 7 patents #494 of 2,957Top 20%
NC Nippondenso Co.: 7 patents #296 of 3,479Top 9%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
DE Denso: 6 patents #2,220 of 11,792Top 20%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
KS Kobe Steel: 3 patents #309 of 2,031Top 20%
HH Hitachi High-Technologies: 3 patents #776 of 1,917Top 45%
IC Immuno-Biological Laboratories Co.: 2 patents #2 of 20Top 10%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
HC Hitachi Instruments Engineering Co.: 2 patents #8 of 126Top 7%
TI The Noguchi Institute: 1 patents #7 of 26Top 30%
DA Denso Korea Automotive: 1 patents #15 of 19Top 80%
HS Hitachi Science Systems: 1 patents #30 of 77Top 40%
HC Hamanakodenso Co.: 1 patents #15 of 42Top 40%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
TK Terumo Kabushiki Kaisha: 1 patents #888 of 1,558Top 60%
Overall (All Time): #29,333 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 26–50 of 70 patents

Patent #TitleCo-InventorsDate
5876600 Element exchange type filter Kazuki Matsubara, Sadahito Fukumori 1999-03-02
5874365 Semiconductor wafer etching method Yasuo Souki, Motoki Ito, Kazuo Tanaka, Hiroshi Tanaka 1999-02-23
5553372 Apparatus for inserting insulation sheets into slots of a stator core Takayuki Tsugawa 1996-09-10
5527501 Process for producing piezoelectric ceramic sheet and dielectric ceramic sheet Yasushi Sawada, Eturo Yasuda, Hiroshi Matuoka, Michihiro Wakimoto, Yoshinori Nakayama 1996-06-18
5500170 Heating and extruding method and device for bulk preform Toshiaki Okumura, Takao Ekimoto, Satoshi Shimamoto, Katsumi Ogawa, Yoshitaka Nimura +1 more 1996-03-19
5458838 Heating and extruding method for bulk preform Toshiaki Okumura, Takao Ekimoto, Satoshi Shimamoto, Katsumi Ogawa, Yoshitaka Nimura +1 more 1995-10-17
5296669 Specimen heating device for use with an electron microscope Hiroyuki Kobayashi, Takeo Kamino 1994-03-22
5283026 Method for molding fiber-reinforced composite material Toshiaki Okumura, Takao Ekimoto, Kourou Takatsuka, Ryosaku Kadowaki, Ryuichiro Kato +4 more 1994-02-01
5192867 Electron optical measurement apparatus Nobuyuki Osakabe, Junji Endo, Akira Tonomura, Tadao Furutsu 1993-03-09
5059859 Charged particle beam generating apparatus of multi-stage acceleration type Junji Endo, Takeshi Kawasaki, Shigeto Isakozawa, Toshimitu Miyada, Yutaka Kaneko 1991-10-22
5004945 Piezoelectric type actuator Satoshi Hayashi, Shinro Oda, Akira Fujii, Masayoshi Tanigawa 1991-04-02
4990324 Method for producing two-component or three-component lead zirconate-titanate Akira Fujii, Naoto Niwa, Hitoshi Niwa, Shin-ichi Shirasaki 1991-02-05
4987446 Process unit cartridge for an electrophotographic apparatus Hideaki Mochimaru, Kenya Komada, Rikio Kasahara 1991-01-22
4945247 Field emission electron gun system Takeshi Kawasaki, Junji Endo, Shigeto Isakozawa, Akira Tonomura 1990-07-31
4882079 Piezoelectric ceramic materials Eturo Yasuda 1989-11-21
4838233 Pilot injection system for fuel injection pump Satoshi Hayashi, Hitoshi Niwa, Hirokatsu Mukai 1989-06-13
4767967 High voltage generating device Takeshi Tanaka, Hiroshi Yorita, Toshihiko Igashira 1988-08-30
4765919 Piezoelectric ceramic materials Eturo Yasuda, Hirosi Matuoka 1988-08-23
4752712 Piezoelectric laminate stack Eturo Yasuda, Akio Iwase 1988-06-21
4705003 Apparatus for controlling electroexpansive actuator avoiding deterioration of polarization Yasuyuki Sakakibara, Seiko Abe, Hiroshi Yorita, Takeshi Tanaka, Toshihiko Igashira 1987-11-10
4570098 Temperature compensated stack of piezoelectric elements Eturo Yasuda 1986-02-11
4553059 Piezoelectric actuator and a piezoelectric pump injector incorporating the same Seiko Abe, Yasuyuki Sakakibara, Kazuo Shinoda 1985-11-12
4540535 Method for producing a ceramic filter for cleaning exhaust gases from a diesel engine Shigeru Takagi 1985-09-10
4535588 Carbon particulates cleaning device for diesel engine Susumu Sato, Yukihisa Takeuchi 1985-08-20
4535589 Exhaust gas cleaning device for internal combustion engine Hitoshi Yoshida, Shigeru Takagi 1985-08-20