Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128822 | Method for repair and/or reinforcement of partition-type heat exchanger | Akira Kato | 2000-10-10 |
| 5908795 | Boron nitride containing material | Hiroyuki Yoshida | 1999-06-01 |
| 5633214 | Boron nitride-containing material and method thereof | Hiroyuki Yoshida | 1997-05-27 |
| 5250242 | Method of producing ceramic sintered body having dense ceramic membrane | Keiji Watanabe, Michitaka Sato | 1993-10-05 |
| 5188793 | Dewaxing method of metal or ceramic molded body | — | 1993-02-23 |
| 5130196 | Conjugate fibers and formed product using the same | Takeshi Noma | 1992-07-14 |
| 5114749 | Method for manufacturing carbon material having good resistance to oxidation by coating the carbon material with an inorganic polysilazane and then heating | Keiji Watanabe, Michitaka Sato | 1992-05-19 |
| 5112577 | Apparatus for removing dispersion medium in metal or ceramic molded body | — | 1992-05-12 |
| 5091222 | Method for forming a ceramic film | Michitaka Sato, Keiji Watanabe | 1992-02-25 |
| 5080841 | Hot isostatic pressing method | — | 1992-01-14 |
| 5073330 | Method of molding polysilazane | Keiji Watanabe, Michitaka Sato | 1991-12-17 |
| 5066438 | Method of producing silicon nitride sintered body | Michitaka Sato | 1991-11-19 |
| 5035847 | Mold for slip casting | Takeshi Kawashima | 1991-07-30 |
| 5030401 | Method for molding powders | Hideharu Yamamoto, Jun Harada, Takeshi Kawashima | 1991-07-09 |
| 5028363 | Method of casting powder materials | Takeshi Kawashima, Yoshio Takagi | 1991-07-02 |
| 5021213 | Method of casting powder | Akira Kato, Michitaka Sato, Keiji Watanabe | 1991-06-04 |
| 4999157 | Method for molding powders | Akira Kato, Sazo Nakamura | 1991-03-12 |
| 4996024 | Method for casting powder | Akira Kato | 1991-02-26 |
| 4983368 | Method of producing .beta.-sialon fine powder | Michitaka Sato, Keiji Watanabe | 1991-01-08 |
| 4971740 | Method for manufacturing a sintered body of silicon nitride | Takeshi Kawashima | 1990-11-20 |
| 4943403 | Method for molding a pulverulent material | Tsuneo Miyashita, Michitaka Sato | 1990-07-24 |
| 4935389 | High strength high oxidation-resistance sialon sintered body | Seiki Umebayashi, Kazushi Kishi, Kazuya Yabuta | 1990-06-19 |
| 4935199 | Process for producing high density sintered body | Keiji Watanabe, Michitaka Satoh | 1990-06-19 |
| 4933308 | High strength high toughness TiB.sub.2 ceramics | Shiro Torizuka | 1990-06-12 |
| 4931238 | Method for manufacturing a sintered body with high density | Takeshi Kawashima | 1990-06-05 |