Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12245347 | Induction heating system, induction heating method, output monitoring apparatus, output monitoring method, and induction heating apparatus | Tetsuya Ono, Masato Sugimoto, Yutaka Kiyosawa, Toshihiro Aiba, Kazutomi Oka +2 more | 2025-03-04 |
| 10487387 | Surface nitriding treatment method of titanium material | Jun Komotori, Shumpei Ota, Kengo Fukazawa, Yoshitaka Misaka | 2019-11-26 |
| 10458775 | Hardened layer depth measuring apparatus | Yoshitaka Misaka, Kenta SAKURAI, Yuji Gotoh | 2019-10-29 |
| 10301692 | Welding method and weld structure | Akira Terajima, Fumiaki Ikuta, Yasuyuki KOYATA, Yoshitaka Misaka | 2019-05-28 |
| 10189112 | Welding equipment for metallic materials and method for welding metallic materials | Takahiko Kanai, Munehisa Hatta, Fumiaki Ikuta, Eizaburo Nakanishi, Tsuyoshi Yoshida +3 more | 2019-01-29 |
| 10159117 | Induction heating system, induction heating method, output monitoring apparatus, output monitoring method, and induction heating apparatus | Tetsuya Ono, Masato Sugimoto, Yutaka Kiyosawa, Toshihiro Aiba, Kazutomi Oka +1 more | 2018-12-18 |
| 9498840 | Welding structural part and welding method of the same | Takahiko Kanai, Munehisa Hatta, Fumiaki Ikuta, Eizaburou Nakanishi, Masayuki Miyake +3 more | 2016-11-22 |
| 9304108 | Quenching depth measurement method and quenching depth measurement apparatus | Yuji Gotoh, Noriyoshi Takaoka, Yoshitaka Misaka | 2016-04-05 |
| 9079266 | Welding equipment for metallic materials and method for welding metallic materials | Takahiko Kanai, Munehisa Hatta, Fumiaki Ikuta, Eizaburo Nakanishi, Tsuyoshi Yoshida +3 more | 2015-07-14 |
| 8932416 | High-strength and high-ductility die-quenched parts and method of manufacturing the same | Eizaburou Nakanishi, Masayuki Miyake, Kotobu Nagai, Masao Hayakawa, Takehito Itagaki +2 more | 2015-01-13 |
| 8545642 | Iron and steel material having quenched surface layer part, method for producing the iron and steel material, and quenched component | Kengo Fukazawa, Yoshitaka Misaka, Yoshihiro Ikeda, Masaaki Beppu, Arata Suda | 2013-10-01 |
| 7648600 | Heat treating device and heat treating method | Yoshimasa Tanaka, Hisaki Koga | 2010-01-19 |
| 7586260 | Electron devices with non-evaporation-type getters and method for manufacturing the same | Takeshi Tonegawa, Shigeo Itoh, Sadanori Takayama, Masateru Taniguchi, Yasumoto Kubo +7 more | 2009-09-08 |
| 7300958 | Ultra-dispersed nanocarbon and method for preparing the same | Fumiaki Kataoka, Eiji OSAWA, Takahiro Fujino, Makoto Takahashi, Osamu Idohara +3 more | 2007-11-27 |
| 6156993 | Heat treatment method and apparatus using thermal plasma, and heat treated substance produced thereby | Yoshiaki Inoue, Seiji Yokota, Akira Terajima, Masaaki Tamatani, Keiko Albessard +3 more | 2000-12-05 |
| 6080954 | Heat treatment method and apparatus using thermal plasma, and heat treated substance produced thereby | Yoshiaki Inoue, Seiji Yokota, Akira Terajima, Masaaki Tamatani, Keiko Albessard +3 more | 2000-06-27 |
| 5851428 | Phosphor and manufacturing method thereof | Naotoshi Matsuda, Masaaki Tamatani, Miwa Okumura, Keiko Albessard, Seiji Yokota +2 more | 1998-12-22 |
| 5777526 | Method of manufacturing a microstrip transmission device | — | 1998-07-07 |
| 5689114 | Gas analyzing apparatus | Tadashi Miyazaki | 1997-11-18 |
| 5483350 | Optical system for infrared spectroscopy having an aspherical concave mirror | — | 1996-01-09 |
| 4934571 | Carrier bag for a vehicle | Takayuki Shimazaki | 1990-06-19 |
| 4700411 | Helmet | Akio Muranaka | 1987-10-20 |
| 4556994 | Fullface-type helmet | Akio Muranaka | 1985-12-10 |
| 4519099 | Helmet | Tadashi Kamiya, Akio Muranaka | 1985-05-28 |
| 4407683 | Steel for cold plastic working | Toshio Hijikata | 1983-10-04 |