1
Yoshio Sunaoka, Keisuke Kitazato, Satoru Tsuda: Process for scrubbing porous hollow fiber membranes in hollow fiber membrane module. Japan Organo, Sprung Horn Kramer & Woods, May 11, 1993: US05209852 (117 worldwide citation)

There is disclosed a process for scrubbing hollow fiber membranes in at least one hollow fiber membrane module disposed in a hollow fiber membrane filter column wherein the hollow fiber membrane module includes a large number of hollow fibers bundled together therein as the hollow fiber membranes. I ...


2
Yoshio Sunaoka, Keisuke Kitazato, Satoru Tsuda: Filtration process using hollow fiber membrane module. Japan Organo, Sprung Horn Kramer & Woods, September 29, 1992: US05151191 (98 worldwide citation)

There is disclosed a filtration process using at least one hollow fiber membrane module including a large number of porous hollow fibers bundled therein. In the process, the filtration step of passing raw water containing fine particles through the pores of the hollow fibers from the outsides thereo ...


3
Masayoshi Yagi, Yoshio Sunaoka: Filtration equipment for hollow fiber module. Organo Corporation, Sprung Horn Kramer & Woods, January 16, 1996: US05484528 (73 worldwide citation)

A filter vessel is partitioned into a first, second and third compartments with upper and lower watertight partitions. A plurality of hollow fiber modules each having upper and lower filtrate outlet ports are vertically disposed in the second compartment, and upward-detachably fixed in the filter ve ...


4
Masayoshi Yagi, Yoshio Sunaoka: Filtration equipment. Organo Corporation, Sprung Horn Kramer & Woods, June 11, 1996: US05525220 (63 worldwide citation)

A filter vessel is partitioned with a watertight partition to form a common upper filtrate collection compartment in the upper part of the filter vessel. A plurality of hollow fiber modules each having upper and lower filtrate outlet ports are vertically disposed in the filter vessel to communicate ...


5
Yoshio Sunaoka, Shinichi Ohashi, Toshio Morita, Masashi Fujita: High-sensitivity measuring instrument and method of using the instrument to measure a characteristic value at a point in time. Organo Corporation, Norris McLaughlin & Marcus PA, December 26, 2006: US07154274

A high-sensitivity measuring instrument comprising at least two sensors for detecting the same characteristics by touching a substance being measured with a specified time difference, wherein the between detection signals taken out simultaneously from respective sensors is determined, the difference ...


6
Yoshio Sunaoka, Shinichi Ohashi, Toshio Morita, Masashi Fujita: High-sensitivity measuring instrument. Organo Corporation, Norris McLaughlin & Marcus, May 26, 2005: US20050110499-A1

A high-sensitivity measuring instrument comprising at least two sensors for detecting the same characteristics by touching a substance being measured with a specified time difference, wherein the between detection signals taken out simultaneously from respective sensors is determined, the difference ...