Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370915 | Method for supplying glass molding material to molds, and method for manufacturing glass optical elements | Kishio Sugawara, Shinichiro Hirota | 2002-04-16 |
| 6164732 | Pressure controlling device for vehicle | Tsutomu Tominaga | 2000-12-26 |
| 6141991 | Press molding apparatus for glass optical elements and molding method for glass optical elements | Shinichiro Hirota, Kishio Sugawara, Shinji Hada | 2000-11-07 |
| 6078155 | Electric power steering circuit assembly | Tsutomu Tominaga | 2000-06-20 |
| 6009725 | Process for manufacturing glass optical elements | Shin-Ichiro Hirota, Ken Uno, Hiroaki Takahara, Hiroshi Enomoto | 2000-01-04 |
| 5873921 | Process for manufacturing glass optical elements | Shin-Ichiro Hirota, Ken Uno, Hiroaki Takahara, Hiroshi Enomoto | 1999-02-23 |
| 5762673 | Method of manufacturing glass optical elements | Shin-Ichiro Hirota, Hiroaki Takahara | 1998-06-09 |
| 5101709 | Waterproof cover for a pneumatic actuator | — | 1992-04-07 |
| 4915720 | Method of and apparatus for molding glass articles | Shinichiro Hirota, Kishio Sugawara | 1990-04-10 |
| 4889033 | Pneumatic actuator | Masayoshi Onishi | 1989-12-26 |
| 4876948 | Constant speed holding device for vehicle | Takeshi Yasukawa, Masayoshi Onishi | 1989-10-31 |
| 4836838 | Apparatus for molding glass articles | Shinichiro Hirota, Kishio Sugawara | 1989-06-06 |