Issued Patents All Time
Showing 76–100 of 117 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8950650 | Friction stir spot welding device and friction stir spot welding method | Hajime Kashiki, Kazumi Fukuhara, Mitsuo Fujimoto | 2015-02-10 |
| 8852837 | Toner, method for forming image, and image forming apparatus | Tomotaka Mori, Tomohiro Aruga | 2014-10-07 |
| 8777393 | Ink jet recording method | Masaru Kumagai, Takamasa Ikagawa | 2014-07-15 |
| 8695956 | Compression coil spring and manufacturing device and manufacturing method for coil spring | Toshio Hamano, Kenji Yamamotoya | 2014-04-15 |
| 8679710 | Electrophotographic photoreceptor and image forming apparatus | Daisuke Kuboshima, Eiichi Miyamoto, Kazunari Hamasaki, Norio Nakai, Yoshio Inagaki +2 more | 2014-03-25 |
| 8607605 | Manufacturing method for coil spring | Akira Tange, Motoi Uesugi, Yosuke Hisano | 2013-12-17 |
| 8533954 | Method for manufacturing a coil spring for vehicle suspension | Akira Tange, Isao Sumiyoshi, Mitsuhiro Sugiyama | 2013-09-17 |
| 8471061 | 5-aminolevulinic acid salt, process for producing the same and use thereof | Naohisa Tachiya, Seiji Nishikawa, Mai Higo, Tohru Tanaka, Masahiro Ishizuka | 2013-06-25 |
| 8460483 | Method for heat treatment of coiled spring | Takashi Yajima, Katsuyuki Nishioka, Takeshi FURUSE | 2013-06-11 |
| 8449098 | Ink jet recording method | Masaru Kumagai, Takamasa Ikagawa | 2013-05-28 |
| 8430497 | Ink jet recording method | Masaru Kumagai, Takamasa Ikagawa | 2013-04-30 |
| 8308150 | Coil spring for vehicle suspension and method for manufacturing the same | Akira Tange, Isao Sumiyoshi, Mitsuhiro Sugiyama | 2012-11-13 |
| 8252497 | Toner, toner production method, and image forming device using the same | Soichi Yamazaki, Takatomo Fukumoto, Toshikazu Ono | 2012-08-28 |
| 8173839 | 5-aminolevulinic acid salt, process for producing the same and use thereof | Naohisa Tachiya, Seiji Nishikawa, Mai Higo, Tohru Tanaka, Masahiro Ishizuka | 2012-05-08 |
| 8148574 | Method for producing 5-aminolevulinic acid hydrochloride | Tohru Tanaka, Takeshi Nomura | 2012-04-03 |
| 7745081 | Diphenyl amine derivative, production method therefor and electrophotographic photoconductor | — | 2010-06-29 |
| 7700251 | Electrophotographic photoconductor and image-forming apparatus | Norio Nakai, Kazunari Hamasaki, Daisuke Kuboshima, Yoshio Inagaki, Tetsuya Ichiguchi +1 more | 2010-04-20 |
| 7601625 | Method for manufacturing semiconductor device having solder layer | Chikage Noritake, Yoshitsugu Sakamoto, Akira Tanahashi, Tomomasa Yoshida | 2009-10-13 |
| 7495538 | Inductor using drum core and method for producing the same | Masayoshi Tsunemi, Hideki Ogawa, Hidenori Aoki, Yoshikazu Okino | 2009-02-24 |
| 7399372 | Method for manufacturing metallic bellows | — | 2008-07-15 |
| 7187896 | Fixing device | Kazutoshi Fujisawa, Makoto Sato, Katsuhito Gomi, Naoyuki Okumura, Shuhei Mori +1 more | 2007-03-06 |
| 7149463 | Fixing device | Kazutoshi Fujisawa, Makoto Sato, Katsuhito Gomi, Naoyuki Okumura, Shuhei Mori +1 more | 2006-12-12 |
| 6820317 | Method of making a metallic bellows | — | 2004-11-23 |
| 6607903 | Genes encoding desulfurization enzymes | Yoshitaka Ishii, Jin-emon Konishi, Kazuaki Hirasawa, Masanori Suzuki | 2003-08-19 |
| 6605401 | Toner and development unit and image forming apparatus using the same | Kazuhiro Ichikawa, Hiroshi Ito, Toshiya Takahata | 2003-08-12 |