Issued Patents 1997
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677760 | Rangefinding device for use in a camera | Kazuo Mikami | 1997-10-14 |
| 5675694 | Video disk, recording apparatus of video disk, and its reproducing apparatus | Takeshi Nakajima, Shigeru Furumiya, Yoshinari Takemura | 1997-10-07 |
| 5630859 | Optical element forming method | Kazuaki Takagi | 1997-05-20 |
| 5626641 | Method of manufacturing a glass blank used for optical glass elements | Tadayoshi Yonemoto, Yoshiyuki Shimizu, Toshihiko Muroi | 1997-05-06 |
| 5617995 | Combustion heater | Masanori Yasuda, Sadahisa Onimaru, Hiroshi Okada, Akikazu Kojima, Niro Takaki | 1997-04-08 |
| 5616021 | Fuel burning heater | Sadahisa Onimaru, Masanori Yasuda, Hiroshi Okada | 1997-04-01 |
| 5614298 | Biodegradable nonwoven fabrics and method of manufacturing same | Hiroshi Tanaka, Yoshiki Miyahara, Satoshi Kasetani, Kouji Esaki, Shigetaka Nishimura | 1997-03-25 |
| 5609809 | Method of manufacturing biodegradable nonwoven fabrics | Hiroshi Tanaka, Yoshiki Miyahara, Satoshi Kasetani, Kouji Esaki, Shigetaka Nishimura | 1997-03-11 |
| 5591392 | Steel plate having good corrosion resistance to condensed water | Akira Usami, Kouji Tanabe | 1997-01-07 |