1
Maki Hamaguchi, Takahiro Kobayashi: Inner tube for CVD apparatus. Kabushiki Kaisha Kobe Seiko Sho, Oblon Spivak McClelland Maier & Neustadt P C, December 9, 2003: US06660093 (3 worldwide citation)

Disclosed herein is an inner tube for CVD apparatus which is made of glass-like carbon. This inner tube has good heat resistance and good corrosion resistance. It also has an inside surface for good adhesion with CVD film constituents. Therefore, it hardly contaminates silicon wafers during the prod ...


2
Koji Kobashi, Yoshihiro Yokota, Takeshi Tachibana, Kazushi Hayashi, Maki Hamaguchi, Katsumi Yoshino: Organic light emitting device using diamond film. Kabushiki Kaisha Kobe Seiko Sho, Oblon Spivak McClelland Maier & Neustadt P C, March 6, 2001: US06198218 (3 worldwide citation)

An organic LED is provided that can stably and efficiently emit light as a result of a heat resistant hole drift layer. The organic LED can include, in order, a substrate, a hole injection electrode layer, a hole drift layer, an organic light emitting layer, an electron drift layer and an electron i ...


3
Maki Hamaguchi, Tetsuya Yamamoto, Tetsuo Suzuki, Hideki Yamamuro, Hiroshi Chosokabe: Carbon substrate and production thereof. Kabushiki Kaisha Kobe Seiko Sho, Oblon Spivak McClelland Maier & Neustadt P C, March 11, 1997: US05609959 (3 worldwide citation)

A carbon substrate is prepared from a molded article of thermosetting resin by heat-treating in an inert atmosphere. The resin is characterized in that the content of Fe, Al, Ni, Co, Cr, and Mg insoluble in the resin is less than 1 ppm each and the content of Ca and Si insoluble in the resin is less ...


4
Maki Hamaguchi: Heating apparatus using induction heating. Kobe Steel, Oblon Spivak McClelland Maier & Neustadt P C, August 23, 2005: US06932872 (2 worldwide citation)

A heating apparatus which is installed in a low pressure CVD system or annealing equipment for use in semiconductor integrated circuit manufacturing processes for heat-treating wafers on which IC's are to be formed, wherein wafers are uniformly heated, the temperature of wafers is rapidly raised and ...


5
Yoshiyuki Nagase, Koji Yamamoto, Takeharu Tanaka, Maki Hamaguchi: Method for purifying crude 2,6-naphthalenedicarboxylic acid. Kobe Steel, Oblon Spivak McClelland Maier & Neustadt P C, June 29, 2004: US06756509 (2 worldwide citation)

A method for purifying crude 2,6-naphthalenedicarboxylic acid includes a reduction step of reducing crude 2,6-naphthalenedicarboxylic acid containing 6-formyl-2-naphthoic acid with hydrogen and a cleaning step of cleaning the reduction product with alcohol. Preferably, in the reduction step, the cru ...


6
Koji Sakai, Noriyuki Okuyama, Shigeru Kinoshita, Takuya Yoshida, Takahiro Shishido, Maki Hamaguchi: Ash-free coal production method. Kobe Steel, Studebaker & Brackett PC, July 5, 2016: US09382493 (1 worldwide citation)

Provided is an ash-free coal production method without the need to once re-liquefy and form an ash-free coal. The ash-free coal production method includes an extraction step of mixing coal with a solvent to prepare a slurry and heating the slurry to extract a solvent-soluble coal component; a separa ...


7
Koji Sakai, Takahiro Shishido, Noriyuki Okuyama, Maki Hamaguchi: Ash-free coal production method. Kobe Steel, Studebaker & Brackett PC, May 10, 2016: US09334456 (1 worldwide citation)

Provided is a method that controls and uniformizes fluidity of ash-free coal. The method includes the steps of obtaining an ash-free coal by removing a solvent from a solution containing a coal component dissolved therein (ash-free coal obtaining step (solvent recovering unit 8)); and mixing a plura ...


8
Maki Hamaguchi: Component of glass-like carbon for CVD apparatus and process for production thereof. Kobe Steel, Oblon Spivak McClelland Maier & Neustadt P C, February 3, 2009: US07485239

Disclosed herein is an inner tube of glass-like carbon for CVD apparatus and a process for production thereof. The inner tube has its surface roughened without increase in metal impurities which cause particles. It has improved adhesion to CVD deposit film and also has a high degree of roundness. Th ...


9
Maki Hamaguchi, Keiji Kishimoto: Method for producing glass-like carbon pipe, and glass-like carbon pipe produced by such method. Kobe Steel, Oblon Spivak McClelland Maier & Neustadt P C, December 25, 2007: US07311863

A method for producing a glass-like carbon pipe is provided. The method comprises the steps of producing a plurality of thermosetting resin molded articles by centrifugal molding, said molded articles each having the shape of the sections of a pipe divided in the longitudinal direction and each prov ...


10
Noriyuki Okuyama, Koji Sakai, Takuya Yoshida, Shigeru Kinoshita, Maki Hamaguchi: Ashless-coal production device, and ashless-coal production method. Kobe Steel, Oblon McClelland Maier & Neustadt L, April 10, 2018: US09938477

A production apparatus of an ashless coal includes a preheater, an extraction tank, a feed pipe, a solid-liquid separator and a solvent separator. The preheater heats a solvent. The extraction tank extracts a coal component soluble in the solvent from a slurry including a mixture of a coal and the s ...