Issued Patents All Time
Showing 101–116 of 116 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6151462 | Heat fixing apparatus wherein influence of temperature rise in sheet non-passing area is prevented | Daizo Fukuzawa | 2000-11-21 |
| 6136090 | Method for producing a silicon single crystal | Kenji Araki, Hideo Okamoto, Toshiharu Uesugi | 2000-10-24 |
| 5995516 | Data transmitting system | Tatsuya Kubota, Takayuki Takeda, Youichi Matsumura | 1999-11-30 |
| 5911825 | Low oxygen heater | Clifford W. Groat | 1999-06-15 |
| 5900058 | Apparatus for producing single crystal | Kouji Mizuishi | 1999-05-04 |
| 5888298 | Member-handling mechanism, and member-handling jig for a crystal pulling apparatus | Takahiro Yanagimachi, Satoshi Soeta, Shinobu Takeyasu | 1999-03-30 |
| 5887015 | Heater mechanism for crystal pulling apparatus | Nobuaki Mitamura, Toshiharu Uesugi, Shinobu Takeyasu | 1999-03-23 |
| 5882398 | Method of manufacturing single crystal of silicon | Susumu Sonokawa, Toshiro Hayashi, Tomohiko Ohta | 1999-03-16 |
| 5795383 | Method and mechanism for lifting gas flow-guide cylinder of a crystal pulling apparatus | Hideo Okamoto, Toshiharu Uesugi, Tetsuhiro Oda | 1998-08-18 |
| 5394829 | Device for pulling silicon single crystal | Toshiharu Uesugi, Koji Mizuishi, Tadashi Niwayama, Tetsuhiro Oda | 1995-03-07 |
| 5269875 | Method of adjusting concentration of oxygen in silicon single crystal and apparatus for use in the method | Susumu Sonokawa, Kenji Araki, Masahiko Baba | 1993-12-14 |
| 5248378 | Method and apparatus for producing silicon single crystal | Tetsuhiro Oda, Izumi Fusegawa, Hirotoshi Yamagishi, Akiho Maeda, Shinobu Takeyasu +2 more | 1993-09-28 |
| 5020775 | Isolation valve used in a single crystal pulling apparatus | Koji Mizuishi, Michiaki Oda | 1991-06-04 |
| 4956208 | Manufacture of a quartz glass vessel for the growth of single crystal semiconductor | Akira Uchikawa, Toshio Fukuoka, Mitsuo Matsumura, Hiroshi Matsui, Yasuhiko Sato +4 more | 1990-09-11 |
| 4935046 | Manufacture of a quartz glass vessel for the growth of single crystal semiconductor | Akira Uchikawa, Toshio Fukuoka, Mitsuo Matsumura, Hiroshi Matsui, Yasuhiko Sato +4 more | 1990-06-19 |
| 4848678 | Apparatus for crushing fruit and vegetables | Hideaki Ohta, Katsumi Oda, Naoshi Tsukada, Kiyoshi SEKINE | 1989-07-18 |