Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8138423 | Printed wiring board and method for manufacturing printed wiring board | Mitsuhiro Watanabe, Shinji Ohsawa, Kazuo Yoshida, Koji Nanbu | 2012-03-20 |
| 7284320 | Multilayer printed wiring board and method of manufacturing the same | Kazuo Yoshida, Hiroaki Okamoto, Shinji Ohsawa | 2007-10-23 |
| 7183190 | Semiconductor device and fabrication method therefor | Shingji Ohsawa, Hiroaki Okamoto, Kazuo Yoshida, Tadatomo Suga | 2007-02-27 |
| 7175919 | Multilayered metal laminate and process for producing the same | Kazuo Yoshida, Hiroaki Okamoto, Shinji Ohsawa | 2007-02-13 |
| 7033641 | Gas separating unit and method for manufacturing the same | Shinji Ohsawa, Hiroaki Okamoto, Kazuo Yoshida, Tsutomu Seki | 2006-04-25 |
| 6949412 | Clad plate for forming interposer for semiconductor device, interposer for semiconductor device, and method of manufacturing them | Kazuo Yoshida, Hiroaki Okamoto, Shinji Ohsawa | 2005-09-27 |
| 6841877 | Semiconductor device, metal laminated plate for fabricating circuit on semiconductor, and method of fabricating circuit | Kazuo Yoshida, Hiroaki Okamoto, Shinji Ohsawa | 2005-01-11 |
| 6838318 | Clad plate for forming interposer for semiconductor device, interposer for semiconductor device, and method of manufacturing them | Kazuo Yoshida, Hiroaki Okamoto, Shinji Ohsawa | 2005-01-04 |
| 6818342 | Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plate | Hiroaki Okamoto, Yoshiyuki Sugimoto, Hiroaki Kawamura | 2004-11-16 |
| 6737187 | Closed battery | Akiyoshi Takada, Kazuo Yoshida, Nobuyuki Yoshimoto, Yoshihiko Isobe | 2004-05-18 |
| 6730391 | Clad board for printed-circuit board, multilayered printed-circuit board, and method of manufacture thereof | Shinji Ohsawa, Kazuo Yoshida | 2004-05-04 |
| 6689482 | Method of manufacturing metal foil/ceramics joining material and metal foil laminated ceramic substrate | Shinji Ohsawa, Kazuo Yoshida | 2004-02-10 |
| 6663980 | Clad plate for lead frames, lead frame using the same, and method of manufacturing the lead frame | Kazuo Yoshida, Sinji Ohsawa | 2003-12-16 |
| 6579565 | Clad sheet for printed circuit board, a multilayered printed circuit board using thereof and manufacturing method thereof | Shinji Ohsawa, Kazuo Yoshida | 2003-06-17 |
| 6531242 | Enclosed cell and sealer | Yoshiyuki Sugimoto, Hiroaki Kawamura, Hiroaki Okamoto, Yoshihiko Isobe | 2003-03-11 |
| 6497978 | Explosion-proof safety valve assemblage for a secondary battery | Akiyoshi Takada, Kazuo Yoshida, Nobuyuki Yoshimoto, Yoshihiko Isobe | 2002-12-24 |
| 6444348 | Battery sealing plate coated with protective film and battery sealed with the same | Hiromasa Suzuki | 2002-09-03 |
| 6440599 | Hermetically sealed cell | Akiyoshi Takada, Kazuo Yoshida, Nobuyuki Yoshimoto, Yoshihiko Isobe | 2002-08-27 |
| 6423440 | Closed battery and closing member | Akiyoshi Takada, Kazuo Yoshida, Nobuyuki Yoshimoto, Yoshihiko Isobe | 2002-07-23 |
| 6303246 | Hermetically sealed cell and sealing body | Akiyoshi Takada, Kazuo Yoshida, Nobuyuki Yoshimoto, Yoshihiko Isobe | 2001-10-16 |
| 6257267 | Safety valve element for capacitor and capacitor case lid with safety valves | Kazuo Yoshida, Nobuyuki Yoshimoto, Yoshihiko Isobe | 2001-07-10 |
| 6210825 | Safety valve element for battery and battery case cap with safety valve | Akiyoshi Takada, Akira Takagi, Kazuo Yoshida, Nobuyuki Yoshimoto, Yoshihiko Isobe | 2001-04-03 |
| 6150037 | Cladding material | Kazuo Yoshida, Nobuyuki Yoshimoto, Yoshihiko Isobe | 2000-11-21 |
| 4896813 | Method and apparatus for cold rolling clad sheet | Tsukasa Fujimura, Kazuo Yoshida | 1990-01-30 |
| 4414078 | Method for pretreatment in the production of tin-free steel | Nobuyoshi Shimizu, Kenji Hizuka, Tsuneo Inui, Yoshikazu Kondo | 1983-11-08 |