1
Fumitsugu Fukuyo, Kenshi Fukumitsu, Naoki Uchiyama, Toshimitsu Wakuda: Laser processing method and laser processing apparatus. Hamamatsu Photonics, Drinker Biddle & Reath, January 31, 2006: US06992026 (203 worldwide citation)

A laser beam machining method and a laser beam machining device capable of cutting a work without producing a fusing and a cracking out of a predetermined cutting line on the surface of the work, wherein a pulse laser beam is radiated on the predetermined cut line on the surface of the work under th ...


2
Mitsuo Watanabe: Two-dimensional incident position detector device for light or radiation. Hamamatsu Photonics, Oliff & Berridge, April 30, 1991: US05012082 (180 worldwide citation)

A two-dimensional incident position detector device for radiation, the device comprising a detector array including a plurality of detection cells in two-dimensional arrangement, and a comparator circuit for comparing an output from a noticed detection cell with outputs from all detection cells adja ...


3
Koji Ichie: Laser scanning optical system and laser scanning optical apparatus. Hamamatsu Photonics, Cushman Darby & Cushman L, December 10, 1996: US05583342 (165 worldwide citation)

A laser scanning optical system is so arranged to comprise an optical converting unit, an optical scanning unit, and an optical converging unit. Here, the optical converting unit is composed of two axicon prisms which are arranged such that apexes thereof are opposed forward or backward to each othe ...


4
Fukuyo Fumitsugu, Fukumitsu Kenji, Uchiyama Naoki, Wakuta Toshimitsu: Laser beam machining method. Hamamatsu Photonics, July 10, 2002: JP2002-192370 (145 worldwide citation)

PROBLEM TO BE SOLVED: To provide a laser beam machining method capable of cutting a machining object without developing a crack, deviating from the predetermined line for welding or cutting on the surface of the machining object.SOLUTION: A pulse laser beam is radiated on a predetermined line 5 for ...


5
Susumu Suzuki, Sumio Yagi, Naotoshi Hakamata, Takeo Ozaki: Oximeter with system for testing transmission path. Hamamatsu Photonics Kabushiki Kaisha, Finnegan Henderson Farabow Garrett and Dunner, March 13, 1990: US04908762 (143 worldwide citation)

An examination apparatus measures the oxygenation in body organs by the near infrared light transmission spectrophotometry. To inspect the examination apparatus itself before the oxygenation measurement, an illumination-side fixture and a detection-side fixture have such structures that these fixtur ...


6
Haruyoshi Toyoda, Yuuji Kobayashi, Naohisa Mukohzaka: Individual identification apparatus for selectively recording a reference pattern based on a correlation with comparative patterns. Hamamatsu Photonics, Sughrue Mion Zinn Macpeak & Seas PLLC, December 7, 1999: US05999637 (135 worldwide citation)

The individual identification apparatus is provided for comparing a target pattern of an arbitrary person with a recorded reference pattern of a specific person, thereby judging whether the arbitrary person is the specific person. The apparatus has a calculation processing portion 60. In order to pr ...


7
Susumu Suzuki: Method and means for measurement of biochemical components. Hamamatsu Photonics, Stanger & Dreyfus P C, May 27, 1997: US05632273 (127 worldwide citation)

Biochemical components and changes in the components are measured by directing light of several wavelengths into a body at one location, sensing light at the wavelengths emerging from the body at a plurality of distances from the one location, and ascertaining biochemical component characteristics i ...


8
David T Delpy, Mark Cope: Diagnostic apparatus for measuring changes of arterial and venous blood volumes in brain with respiration signal modulation. Hamamatsu Photonics, Sughrue Mion Zinn Macpeak & Seas, October 19, 1993: US05253646 (123 worldwide citation)

A diagnostic apparatus includes light sources which emit near infrared light rays of different wavelengths. The light rays are introduced into human brain to be subjected to diagnosis and the light rays transmitted through the brain are picked up. There are provided a first detector which detects oc ...


9
Akifumi Tachibana, Keisuke Mori, Masakazu Suzuki, Kazunari Matoba, Hitoshi Asai, Toshitaka Takeguchi, Kazuhisa Miyaguchi: Medical X-ray imaging apparatus. J Morita Manufacturing Corporation, Hamamatsu Photonics Kabushiki Kaisha, Koda and Androlia, September 2, 1997: US05664001 (116 worldwide citation)

A medical X-ray imaging apparatus is provided, which comprises an X-ray source, an X-ray imaging device for detecting an image of X-rays having passed through a subject and a swivel member for-rotating the X-ray source and the X-ray imaging device around the subject. The X-ray imaging device compris ...


10
Motoki Oda, Yutaka Yamashita, Kazuyoshi Ohta, Mamoru Tamura, Goro Nishimura: Method and apparatus for measuring concentration of absorptive constituent in scattering medium. Hamamatsu Photonics, Cushman Darby & Cushman IP Group of Pillsbury Madison & Sutro, December 10, 1996: US05582169 (112 worldwide citation)

Optical pulses emitted from an optical pulse source is incident on a living tissue and is input to an optical sampling unit. An optical sampling unit detects intensities, f, of optical pulses detected at the respective timings of trigger signals input from a delay unit. A first accumulator calculate ...