Tadashi Takakura, Eiji Goto, Seiji Takishima, Hiromitsu Takada, Einosuke Mifune, Yoshio Takahashi, Fumito Takagi, Yuji Hirosawa: Plant cultivation method and apparatus therefor. Tadashi Takakura, Shimizu Construction, Oblon Spivak McClelland Maier & Neustadt, April 5, 1994: US05299383 (21 worldwide citation)

In a plant cultivation method, in cultivation of a plurality of plants within a cultivation bed which includes nutritive elements required for growth of the plants, a location adjacent a growing point of the plants is selected to supply gas to the growing point. In a plant cultivation apparatus, a c ...

Seiji Takishima, Yuji Hirosawa, Hiromitsu Takada, Fumito Takagi: Plant culture apparatus. Shimizu Construction, Oblon Spivak McClelland Maier & Neustadt, May 12, 1992: US05111612 (7 worldwide citation)

In a plant culture apparatus, plants being cultured are accommodated in a body. A culture bed is arranged within the body for culturing the plants. An illuminating device is arranged within the body for emitting a light to the plants on the culture bed. A gas-conditioning device is mounted to the bo ...

Shiro Torizuka, Kotobu Nagal, Takafumi Komatsu, Naohisa Miyashita, Fumito Takagi, Masaaki Matsuzawa, Yoshimasa Miyasaka, Yoshiki Hatnato, Chiaki Fujimori, Masayoshi Osaka, Masaaki Uematsu, Hajime Hama: Screw or tapping screw. Wenderoth Lind & Ponack, July 6, 2006: US20060147296-A1

A screw or a tapping screw, comprising an ultra fine structure steel having ferrite grains of 3 μm or smaller in average grain size and a nitrided layer on a surface part, wherein a strength is increased, a surface hardness is increased, and the surface hardness and an inside hardness are kept in ba ...

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