Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8795513 | Hydrocracking catalyst for heavy oil and method for hydrotreating heavy oil using same | Kazuhiro Inamura, Nobuyuki Takahashi, Yoji Sunagawa, Mitsunori Watabe, Yuichi Yamahata +2 more | 2014-08-05 |
| 7674367 | Iron-containing crystalline aluminosilicate, hydrocracking catalyst comprising the aluminosilicate, and method of hydrocracking with the catalyst | Kazuhiro Inamura, Hiroshi Iida, Yoshihiro OKAZAKI | 2010-03-09 |
| 7263264 | Method of manufacturing optical waveguide | Kazuhisa Kashihara, Masato Oku | 2007-08-28 |
| 6952516 | Low attenuation optical fiber | Fumio Takahashi, Jun Tamura | 2005-10-04 |
| 6782173 | Low attenuation optical fiber | Fumio Takahashi, Jun Tamura | 2004-08-24 |
| 5565091 | Catalyst composition manufacturing method and sulfur-containing hydrocarbon hydrodesulfurization method using the same catalyst composition | Ryuichiro Iwamoto, Tsuyoshi Mitani | 1996-10-15 |
| 5506182 | Modified zeolite Y catalyst composition | Koji Yamagishi, Satoshi Nakai | 1996-04-09 |
| 5338437 | Method for hydrocracking a heavy hydrocarbon oil utilizing a faujasite aluminosilicate | Ryuichiro Iwamoto, Ikusei Nakamura | 1994-08-16 |
| 5336394 | Process for hydrodesulfurizing a sulfur-containing hydrocarbon | Ryuichiro Iwamoto, Tsuyoshi Mitani | 1994-08-09 |
| 5280004 | Hydrodesulfurizing catalyst composition and method of preparing same | Ryuichiro Iwamoto, Tsuyoshi Mitani | 1994-01-18 |
| 5210816 | Optical fiber and process of producing same | Masahide Kuwabara | 1993-05-11 |
| 5139984 | Faujasite-type aluminosilicates, a method of producing the same, and hydrocracking catalysts for heavy hydrocarbon oils | Ryuichiro Iwamoto, Ikusei Nakamura | 1992-08-18 |
| 5093880 | Optical fiber cable coated with conductive metal coating and process therefor | Akira Matsuda, Ryotomo Sirakawa | 1992-03-03 |
| 4707173 | Method of fabricating porous glass rod and apparatus for fabricating the same | Hideyo Kawazoe, Katsumi Orimo | 1987-11-17 |
| 4670979 | Method of and apparatus for mounting an electronic part | Shigeru Yoshino, Junzo Ueki, Ichiro Shibuya, Shigeo Kawada, Hiromasa Tanzaki +1 more | 1987-06-09 |
| 4443552 | Catalysts for the catalytic cracking of heavy oil | Hiroshi Iida, Kosaku Honna | 1984-04-17 |
| 4301839 | Hand weaving apparatus | Yoshimasa Yamaguchi | 1981-11-24 |