Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5238627 | Method for producing ceramics sintered article and molding method and molding apparatus to be used therefor | Shigeki Kato, Hiroyuki Iwasaki | 1993-08-24 |
| 5017531 | Silicon nitride ceramic sintered bodies | Noriyuki Ukai, Issei Hayakawa, Mithuru Miyamoto | 1991-05-21 |
| 5015608 | High hardness silicon nitride sintered bodies | Issei Hayakawa | 1991-05-14 |
| 5005417 | Detecting flaws formed in surfaces of rotating members with ultrasonic waves | Keiji Kawasaki, Michio Sekiguchi | 1991-04-09 |
| 4976903 | Shaping molds and shaping of ceramic bodies by using such shaping molds | Hiroyuki Iwasaki | 1990-12-11 |
| 4968648 | Heat-resisting phosphate based compound sintered bodies and production thereof | Keiichiro Watanabe, Tsuneaki Ohashi | 1990-11-06 |
| 4953528 | Direct injection-type diesel engines | Hiroshi Oikawa, Naohisa Nakashima, Tadao Ozawa | 1990-09-04 |
| 4925816 | Novel solid solution, heat-resistant sintered body and method of producing the same | Keiichiro Watanabe, Tsuneaki Ohashi | 1990-05-15 |
| 4923308 | Process for determining the distribution of temperatures at surfaces of high temperature members | Keiichiro Watanabe, Hiroaki Sakai | 1990-05-08 |
| 4820665 | Ceramic sintered bodies and a process for manufacturing the same | Noriyuki Ukai, Issei Hayakawa, Mithuru Miyamoto | 1989-04-11 |
| 4741792 | Method of manufacturing a ceramic honeycomb structural body and an extrusion die therefor | Kiminari Kato | 1988-05-03 |
| 4722916 | Low expansion ceramics and method of producing the same | Keiichiro Watanabe | 1988-02-02 |
| 4713206 | Process for dewaxing ceramic molded bodies | Shingo Sasaki | 1987-12-15 |
| 4658887 | Rotary regenerator type ceramic heat exchanger | Kiminari Kato | 1987-04-21 |
| 4645700 | Ceramic honeycomb structural body | Kiminari Kato | 1987-02-24 |
| 4601332 | Ceramic recuperative heat exchangers and a method for producing the same | Isao Oda | 1986-07-22 |
| 4539224 | Method for reinforcing a ceramic shaped body | — | 1985-09-03 |
| 4421702 | Ceramic recuperative heat exchangers and a method for producing the same | Isao Oda | 1983-12-20 |
| 4357987 | Thermal stress-resistant, rotary regenerator type ceramic heat exchanger and method for producing same | Isao Oda | 1982-11-09 |
| 4316965 | Low-expansion ceramics and method of producing the same | Isao Oda | 1982-02-23 |
| 4307198 | Low-expansion ceramics and method of producing the same | Isao Oda | 1981-12-22 |
| 4306909 | Low-expansion ceramics and method of producing the same | Isao Oda | 1981-12-22 |
| 4304585 | Method for producing a thermal stress-resistant, rotary regenerator type ceramic heat exchanger | Isao Oda | 1981-12-08 |
| 4299638 | Method of bonding silicon ceramic members | — | 1981-11-10 |
| 4295892 | Cordierite ceramic honeycomb and a method for producing the same | Shigeo Soejima, Noboru Yamamoto | 1981-10-20 |