1
Shokichi Imaizumi, Tsuyoshi Aoyama, Nagao Hori, Katsumi Takenami, Kiyoshi Koibuchi, Youich Ishikawa, Seiji Kazama, Koji Nasu: Method for fabricating fiber-reinforced slag gypsum cement-based, lightweight set articles. Kyowa Giken, Takeda Chemical, Dai Ichi Cement, Naigai Technos Corporation, Obayashi Corporation, Wenderoth Lind & Ponack, November 22, 1994: US05366549 (22 worldwide citation)

A method is provided for making a fiber-reinforced slag gypsum cement lightweight hardened product. The method consists essentially of mixing (1) from 5 to 140 parts by weight of aggregates having a maximum size of not larger than 2000 .mu.m to (2) 100 parts by weight of a mixture which comprises 10 ...


2
Hiroshi Hirao, Kazuo Yamada, Kiyoshi Koibuchi, Nobukazu Nito: Cement additive and cement composition. Taiheiyo Cement Corporation, DC, Posz Law Group, March 13, 2012: US08133317 (4 worldwide citation)

A cement additive contains industrial waste and has the effect of inhibiting formation of monosulfate in a hardened cementitious material. The cement additive contains specifically calcium carbonate, gypsum and coal ash and/or blast-furnace slag powder. This enables efficient use of industrial waste ...


3
Kazuo Fukaya, Kazuyoshi Sato, Eiichiro Konishi, Yasushi Iijima, Youichi Ishikawa, Kiyoshi Koibuchi: Hydraulic hardening material and method of manufacturing the same. Nippon Kokan Kabushiki Kaisha, Frishauf Holtz Goodman & Woodward, January 1, 1991: US04981519 (2 worldwide citation)

The invention provides a method of manufacturing a hydraulic hardening material having the steps of milling vitreous blast furnace slag and classifying the milled slag to provide slag powder having a blaine specific surface area of 6,000 to 12,000 cm.sup.2 /g. The hydraulic hardening material manufa ...


4
Kenichiro Nakarai, Kiyoshi Koibuchi, Nobukazu Nito: Artificial multi-barrier for a radioactive waste treatment facility. Gunma University, DC, Pearne & Gordon, February 11, 2014: US08647015 (1 worldwide citation)

A concrete pit containing radioactive waste is surrounded by a low diffusion layer of cement-based material, which in turn, is surrounded by a low water permeability layer of sodium-type bentonite and the leaching out of calcium ions from the low water permeability layer is inhibited by mixing sodiu ...


5
Yoshitomo Ono, Yumiko Amino, Taichi Suzuki, Kiyoshi Koibuchi: Masking material, method for producing masking material, and masking method. LINTEC CORPORATION, Honda Motor, Posz Law Group, November 20, 2018: US10130966

A masking material for use in a heating process includes: a base material comprising a resin as a main resin component and containing a magnetic substance, the resin having a higher melting point than a temperature of the heating process, the magnetic substance having a higher Curie temperature than ...


6
Kenichiro Nakarai, Kiyoshi Koibuchi, Nobukazu Nito: Water-blocking filler and filler for engineered multi-barriers using said water-blocking filler. GUNMA UNIVERSITY, DC, Pearne & Gordon, September 20, 2016: US09446380

Provided are a water-blocking filler, the swelling properties of which do not decrease easily even when in contact with water containing calcium ions, and a filler for engineered multi-barriers with said water-blocking filler as the engineered multi-barrier filler. A water-blocking filler mainly com ...


7
Shokichi Imaizumi, Tsuyoshi Aoyama, Nagao Hori, Katsumi Takenami, Kiyoshi Koibuchi, Youich Ishikawa, Seiji Kazama, Koji Nasu: Fiber-reinforced slag-gypsum-cement products. Kyowa Giken, Daiichi Cement, Naigai Mokuzai Kogyo, Ohbayashi, Takeda Chemical Industries, May 29, 1992: FR2669621-A1

Fiber-reinforced slag-gypsum-cement lightweight hardened products useful as wall material of buildings and having good resistance to fire and water and good durability are made by adding from 5 to 140 parts by weight of aggregates having a maximum size of 2000 mu m to 100 parts by weight of a mixtur ...


8
Hiroshi Hirao, Kazuo Yamada, Kiyoshi Koibuchi, Nobukazu Nito: Cement additive and cement composition. Posz Law Group, June 18, 2009: US20090151604-A1

A cement additive contains industrial waste and has the effect of inhibiting formation of monosulfate in a hardened cementitious material. The cement additive contains specifically calcium carbonate, gypsum and coal ash and/or blast-furnace slag powder. This enables efficient use of industrial waste ...


9
Kenichiro Nakarai, Kiyoshi Koibuchi, Nobukazu Nito: Artificial multi-barrier for a radioactive waste treatment facility. Gunma University, Dc, April 28, 2011: US20110097155-A1

A concrete pit containing radioactive waste is surrounded by a low diffusion layer of cement-based material, which in turn, is surrounded by a low water permeability layer of sodium-type bentonite and the leaching out of calcium ions from the low water permeability layer is inhibited by mixing sodiu ...