1
Koichiro Ishihara, Masaya Yoshihara, Ryouji Masubuchi, Fumiaki Ishii, Shinji Hatta, Hiroki Hibino, Yutaka Ohshima, Masaaki Hayashi: Laser beam treatment device for an endoscope. Olympus Optical, Frishauf Holtz Goodman & Woodward, August 21, 1990: US04950267 (206 worldwide citation)

A laser beam irradiation apparatus comprising a laser generating device, a laser beam irradiation probe for applying a laser beam from the laser generating device to a region of an object of irradiation, an ultrasonic transmitter/receiver for emitting ultrasonic waves toward the region to which the ...


2
Ryouji Masubuchi, Osamu Tamada, Yoshihiro Iida, Jin Kira, Hiroki Moriyama, Hidetoshi Saito: Endoscope cover assembly and cover-system endoscope. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, October 24, 1995: US05460168 (145 worldwide citation)

A cover-system endoscope comprises the main body of an endoscope and an endoscope cover assembly for covering the main body of the endoscope. The endoscope cover assembly includes a direction changing means such as a tube body, an erecting base having a hinge section or a balloon for erecting the er ...


3
Nobuyuki Sakamoto, Yoshio Shishido, Masahiro Kumakura, Morihide Mizumoto, Morihide Tojo, Ryouji Masubuchi, Atsushi Miyazaki, Satoshi Tagami, Hiroshi Hasegawa, Shinichi Nishigaki, Yasuhiro Ueda, toshiaki Nishikiori, Kunio Kinoshita, Takeaki Nakamura, Eiichi Fuse, Yoshisada Aoki, Kazuhiro Misono: Borescope apparatus. Olympus Optical, Frishauf Holtz Goodman & Woodward, February 12, 1991: US04991957 (15 worldwide citation)

A borescope apparatus having a borescope and a pressurized fluid supply device. The borescope has an operation unit and an insertion unit. The insertion unit comprises a bending tube portion, a jet port member coupled to a proximal end of the bending tube portion, and a flexible tube portion. The be ...


4
Syuichi Takayama, Kowji Tanikawa, Ryouji Masubuchi, Kunio Kinoshita, Minoru Shinozuka, Kenichirou Sanagi, Naoki Uchiyama, Yoshio Shishido: Stone disintegrator apparatus. Olympus Optical, Frishauf Holtz Goodman & Woodward, February 2, 1988: US04722340 (15 worldwide citation)

A stone disintegrator apparatus has a probe with discharge electrodes and a power supply circuit for supplying a discharge voltage to the probe for causing discharge between the discharge electrodes. An electrode life detection circuit detects the number of use or discharge operations of the probe s ...


5
Yasuharu Hakamazuka, Hiroyuki Irie, Hikaru Inoue, Ryouji Masubuchi, Hiroshi Okabe, Toshimasa Uemura: Artificial bone material. Olympus Optical, National Institute of Advanced Industrial Science and Technology, Scully Scott Murphy & Presser PC, March 25, 2004: US20040057939-A1

An artificial bone material having a satisfactory compatibility with a human body and capable of effecting osteogenesis satisfactorily which is obtained by integrating a marrow cell in a porous ceramic consisting of -tricalcium phosphate.