MH

Masaaki Hayashi

OC Olympus Optical Co.: 25 patents #74 of 2,334Top 4%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
MC Mitsumi Electric Co.: 4 patents #208 of 935Top 25%
DC Dai Nippon Toryo Co.: 4 patents #15 of 196Top 8%
NC Nippon Electric Glass Co.: 3 patents #132 of 437Top 35%
TK Toyoda Koki Kabushiki Kaisha: 3 patents #152 of 674Top 25%
GL Glory: 3 patents #96 of 385Top 25%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
SC Shindengen Electric Manufacturing Co.: 2 patents #94 of 307Top 35%
GK Glory Kogyo Kabushiki Kaisha: 2 patents #16 of 107Top 15%
SC Santen Pharmaceutical Co.: 1 patents #178 of 291Top 65%
UE University Of Electro-Communications: 1 patents #47 of 199Top 25%
TC Toshiba Ceramics Co.: 1 patents #190 of 458Top 45%
SO Sony: 1 patents #17,262 of 25,231Top 70%
HC Hitachi Car Engineering Co.: 1 patents #275 of 465Top 60%
KO Kasei Optonix: 1 patents #58 of 142Top 45%
KU Keio University: 1 patents #190 of 781Top 25%
KO Komori: 1 patents #120 of 219Top 55%
MT Mechano Transformer: 1 patents #12 of 20Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
MM Murata Machinery: 1 patents #201 of 397Top 55%
NT Ntn: 1 patents #814 of 1,364Top 60%
OM Omron: 1 patents #1,808 of 3,089Top 60%
Overall (All Time): #30,015 of 4,157,543Top 1%
69
Patents All Time

Issued Patents All Time

Showing 51–69 of 69 patents

Patent #TitleCo-InventorsDate
4977902 Supersonic hyperthermia treating method Naomi Sekino, Shuichi Takayama, Takashi Tsukaya, Masakazu Gotanda, Tetsumaru Kubota +4 more 1990-12-18
4958639 Ultrasonic therapeutical apparatus Naoki Uchiyama, Akio Nakada, Akihiro Taguchi, Shinji Hatta, Syuichi Takayama +3 more 1990-09-25
4957625 Ceramic filter modules in series with piston backwash Yoshihisa Katoh, Takashi Ogawa, Mitsumasa Hasegawa, Masashi Fujimoto 1990-09-18
4950267 Laser beam treatment device for an endoscope Koichiro Ishihara, Masaya Yoshihara, Ryouji Masubuchi, Fumiaki Ishii, Shinji Hatta +2 more 1990-08-21
4936307 Ultrasonic observation system and an ultrasonic endoscope system Yoshitake Saito, Tatsuo Nagasaki, Takashi Tsukaya, Tsuguhisa Sasai, Akira Hasegawa +11 more 1990-06-26
4924852 Endoscope Akira Suzuki, Yoshikatsu Nagayama, Michio Sato, Koji Yamaya, Koji Kanbara +3 more 1990-05-15
4833020 Magnetic recording medium Yoshihiro Shiroishi, Sadao Hishiyama, Hiroyuki Suzuki, Tomoyuki Ohno, Yoshibumi Matsuda +4 more 1989-05-23
4786553 Magnetic recording medium Yoshihiro Shiroishi, Sadao Hishiyama, Hiroyuki Suzuki, Norikazu Tsumita, Tsuneo Suganuma +3 more 1988-11-22
4773010 Apparatus for detecting driving condition of automotive vehicle Mikio Suzuki 1988-09-20
4685528 Electric power steering device for a motor vehicle Mikio Suzuki, Shigeo Iwashita 1987-08-11
4685014 Production method of thin film magnetic head Masanobu Hanazono, Shinichi Hara, Hirosi Akiyama, Harunobu Saitoo, Takumi Kurisu 1987-08-04
4653601 Electric power steering system for a motor vehicle Keiichi Nakamura, Kunihiko Eto, Mikio Suzuki, Shigeo Iwashita 1987-03-31
4611345 Bank bill identification device Kazuhiko Ohnishi 1986-09-09
RE31985 Aqueous dispersion type thermosetting coating composition Hiroharu Sasaki, Kazuyoshi Tsuneta 1985-09-17
4525499 Non-aqueous dispersion type resin composition Hiroharu Sasaki 1985-06-25
4306260 Dual magnetic head mount Munesige Maeda, Hiroshi Nishida, Yasuo Akiyama 1981-12-15
4296014 Aqueous dispersion type thermosetting coating composition Hiroharu Sasaki, Kazuyoshi Tsuneta 1981-10-20
4277383 Aqueous cationic thermosetting urethane resin coating compositions Koichi Nagami, Kazuyoshi Tsuneta, Nobuhiro Kenmotusu 1981-07-07
4219587 Process for producing pigment-coated phosphors Yoichi Oba, Tsuyoshi Kano, Hiroshi Takada, Katuzo Kanda, Shusaku Eguchi 1980-08-26