1
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 ...


2
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 ...


3
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 ...