Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9388507 | Method for manufacturing polycrystalline silicon ingot, and polycrystalline silicon ingot | Koji Tsuzukihashi, Hiroshi Ikeda, Masahiro Kanai | 2016-07-12 |
| 7955583 | Metallic silicon and method for manufacturing the same | Kouji Tsuzukihashi, Hiroshi Ikeda, Atsuo Yanagimachi | 2011-06-07 |
| 6732992 | Mold for producing silicon ingot and method for fabricating the same | Akira Mitsuhashi, Jun Sasaki | 2004-05-11 |
| 6540828 | Method for producing crystalline silicon | Yoshinobu Nakada, Junichi Sasaki, Yuji Ishiwari | 2003-04-01 |
| 6383285 | Method for producing crystalline silicon | Yoshinobu Nakada, Junichi Sasaki, Yuji Ishiwari | 2002-05-07 |
| 6378835 | Method for producing silicon ingot having directional solidification structure and apparatus for producing the same | Akira Mitsuhashi, Yoshinobu Nakada, Jun Sasaki, Yuhji Ishiwari | 2002-04-30 |
| 6334603 | Mold for producing silicon ingot and method for fabricating the same | Akira Mitsuhashi, Jun Sasaki | 2002-01-01 |
| 6299682 | Method for producing silicon ingot having directional solidification structure and apparatus for producing the same | Akira Mitsuhashi, Yoshinobu Nakada, Jun Sasaki, Yuhji Ishiwari | 2001-10-09 |
| 5575972 | FE-CR alloy and nozzle for diesel engines | Akira Mitsuhashi, Takanori Matsui | 1996-11-19 |
| 5529642 | Nickel-based alloy with chromium, molybdenum and tantalum | Katsuo Sugahara, Hideo Kitamura, Koji Toyokura, Yoshio Takizawa, Tsutomu Takahashi | 1996-06-25 |
| 5495837 | Engine valve having improved high-temperature wear resistance | Akira Mitsuhashi, Tsutomu Oka, Osami Noguchi | 1996-03-05 |
| 5422072 | Enhanced Co-based alloy | Akira Mitsuhashi, Kensho Sahira | 1995-06-06 |
| 5122206 | Precipitation hardening nickel base single crystal cast alloy | Junji Hoshi, Toshiyuki Shimamura, Akira Mitsuhashi, Toshio Yonezawa | 1992-06-16 |
| 5067993 | Magnetic core material made of Fe-Co base alloy for high frequencies | Kiyoshi Yamaguchi, Norio Yanagisawa | 1991-11-26 |
| 5056705 | Method of manufacturing golf club head | Junji Hoshi, Shinich Miyamoto, Hideo Kawabata | 1991-10-15 |
| 4950340 | Intermetallic compound type alloy having improved toughness machinability and wear resistance | Junji Hoshi | 1990-08-21 |
| 4888153 | Fe-base build-up alloy excellent in resistance to corrosion and wear | Ritsue Yabuki | 1989-12-19 |
| 4874577 | Wear-resistant intermetallic compound alloy having improved machineability | Junji Hoshi | 1989-10-17 |
| 4867224 | Method of manufacturing castings of active metal or alloy thereof having unidirectional solidification structure | Juji Hoshi | 1989-09-19 |
| 4618474 | Co-base heat resistant alloy | Junya Ohe, Kiichi Yamatsuta, Shoji Goto, Yukinori Kutsukake, Masuo Sugizaki | 1986-10-21 |
| 4363660 | Iron-base alloy having high resistance to molten zinc attack | Akihiko Sakonooka | 1982-12-14 |