31
Nagahama Shinichi: Nitride semiconductor light emitting device and its manufacture. Nichia Chem, December 15, 2000: JP2000-349398 (18 worldwide citation)

PROBLEM TO BE SOLVED: To further increase output and element reliability as compared with a normal case by providing a first p-type nitride semiconductor layer that is made of a specific substance and has a larger energy gap than a p-type clad layer and a second p-type nitride semiconductor layer be ...


32
Murase Kaoru, Okada Tomoyuki, Tsuga Kazuhiro, Sugimoto Noriko: Optical disk and recording apparatus and reproducing apparatus therefor. Matsushita Electric, December 15, 2000: JP2000-348467 (17 worldwide citation)

PROBLEM TO BE SOLVED: To make appropriately presentable to a user information on a plurality of reproduction paths by recording on a management information record area where management information is recorded, reproduction path information including at least either of first information and second in ...


33
Ban Yutaka, Goto Tatsuya, Tazawa Bunro, Kanamori Akito: Toner replenishment container, and electrophotographic image forming device. Canon, December 15, 2000: JP2000-347493 (17 worldwide citation)

PROBLEM TO BE SOLVED: To prevent a toner stain around a container shutter and to enable a user to take out the toner replenishment container which is used in inside an image forming device main body and which has a freely openable/closable shutter sealing a toner discharging aperture.SOLUTION: The s ...


34
Takeuchi Takashi, Meguro Takeshi, Nagai Hisataka: Iii-v compound semiconductor crystal. Hitachi Cable, December 15, 2000: JP2000-349278 (17 worldwide citation)

PROBLEM TO BE SOLVED: To restrain a V compound material from increasing in consumption so as to lessen a III-V compound semiconductor crystal in manufacturing cost, by a method wherein a buffer layer, an active layer, and a contact layer are formed on a semi-insulating substrate through an epitaxial ...


35
Miyata Koji: Permanent-magnet motor. Shin Etsu Chem, December 15, 2000: JP2000-350393 (16 worldwide citation)

PROBLEM TO BE SOLVED: To obtain a permanent-magnet motor having a magnet buried type rotor, in which cogging torque is reduced, and a high output and high accuracy are controlled.SOLUTION: In the permanent-magnet motor in which a rotor 3, in which a plurality of permanent magnets 1 are buried into a ...


36
Umada Sunao: Balloon valve. Watanabegumi, December 15, 2000: JP2000-346214 (16 worldwide citation)

PROBLEM TO BE SOLVED: To provide a balloon valve which allows cost reduction, miniaturization and easy handling with increased safety, an increased degree of freedom of connection to a pipe body and hard to inhibit the flow of fluid.SOLUTION: When this valve 10 opens, a balloon-shaped valve element ...


37
Akiyama Koichiro: Broadcast reception device and content use control method. Toshiba, December 15, 2000: JP2000-349725 (16 worldwide citation)

PROBLEM TO BE SOLVED: To control use of every content by synthesizing first use condition information common to a plurality of pieces of content information and second use condition information which is broadcast in accordance with the plurality of pieces of content information and is common to a pl ...


38
Akita Koji: Disc reproducing apparatus. Alpine Electronics, December 15, 2000: JP2000-348466 (16 worldwide citation)

PROBLEM TO BE SOLVED: To realize automatic settings of a menu language, audio language, superimposing language and definition of parental level or the like suitable to a country by detecting the country to use a DVD reproducing apparatus.SOLUTION: Settings of menu language, audio language, superimpo ...


39
Izumisawa Yusho, Furukawa Kenji: Organic electroluminescent element. Chisso, December 15, 2000: JP2000-348859 (16 worldwide citation)

PROBLEM TO BE SOLVED: To provide a long-life organic electroluminescent element maintaining stable light emitting characteristics by preventing an oxygen and a moisture from being entered.SOLUTION: In an organic electroluminescent element wherein an electroluminescent laminated layer structural body ...


40
Nagura Kensuke, Okamura Kazuhiro, Nitta Yoshiaki: Lithium secondary battery. Matsushita Electric, December 15, 2000: JP2000-348721 (16 worldwide citation)

PROBLEM TO BE SOLVED: To enhance energy density at a low cost by providing a positive electrode including a composite oxide formed of a specific composition of Li, Zn, Cu and O and having a.structure belonging to a specific space group as a positive electrode active material.SOLUTION: A composite ox ...