Issued Patents All Time
Showing 1–25 of 167 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429789 | Toner and method for producing toner | Daisuke Yoshiba, Tsuneyoshi Tominaga | 2025-09-30 |
| 12411287 | Optical side input/output circuit and optical connector | Yoko YAMASHITA, Kazuhide NAKAJIMA | 2025-09-09 |
| 12405418 | Multicore optical fiber, method of designing multicore optical fiber, and optical transmission method | Kazuhide NAKAJIMA | 2025-09-02 |
| 12386278 | Toner and method for producing toner | Yuna Yamamoto, Shohei Shibahara, Kenji Aoki, Tsutomu Shimano, Takayuki Toyoda | 2025-08-12 |
| 12352652 | Evaluation method and evaluation device for multi-core fiber | Nobutomo HANZAWA, Yuto SAGAE, Kazuhide NAKAJIMA | 2025-07-08 |
| 12324730 | Disposable diaper | Yasuhiro Yamanaka, Satoru Sakaguchi | 2025-06-10 |
| 12318467 | Cosmetic | Kouichi Nagai | 2025-06-03 |
| 12304565 | Rocker component with tapered shape | Kazutoyo Fujikawa, Matthew Kuipers, Zehua Qin | 2025-05-20 |
| 12203847 | Shape measurement system and shape measurement method | Nobutomo HANZAWA, Kazuhide NAKAJIMA, Hideaki Murayama, Ryota WADA, Makito Kobayashi | 2025-01-21 |
| 12189178 | Optical fiber | Yuto SAGAE, Kazuhide NAKAJIMA | 2025-01-07 |
| 12181707 | Multi-core optical fiber and design method | Kazuhide NAKAJIMA, Taiji SAKAMOTO, Yuto SAGAE | 2024-12-31 |
| 12174413 | Long period fiber grating and optical transmission system | Ryota IMADA, Yoko YAMASHITA, Taiji SAKAMOTO, Nobutomo HANZAWA, Noriyuki Araki +3 more | 2024-12-24 |
| 12158607 | Propagation mode loss difference compensator | Yoko YAMASHITA, Kazuhide NAKAJIMA | 2024-12-03 |
| 12134736 | Method of producing coal blend and method of producing coke | Daisuke Igawa, Yusuke Dohi | 2024-11-05 |
| 12117645 | Multicore optical fiber and design method | Kazuhide NAKAJIMA | 2024-10-15 |
| 12120770 | Communication apparatus capable of communicating with other devices, control method of communication apparatus, and storage medium | — | 2024-10-15 |
| 12085749 | Optical fiber evaluation device and optical fiber evaluation method | Nobutomo HANZAWA, Yuto SAGAE, Kazuhide NAKAJIMA | 2024-09-10 |
| 12037546 | Method of estimating surface tension of coal and method of producing coke | Daisuke Igawa, Yusuke Dohi | 2024-07-16 |
| 12019267 | Multicore optical fiber and design method | Taiji SAKAMOTO, Kazuhide NAKAJIMA, Kyozo Tsujikawa, Kunimasa Saitoh, Takeshi Fujisawa | 2024-06-25 |
| 11912940 | Method of producing coal mixture and method of producing coke | Yusuke Dohi, Mikiya Nagayama | 2024-02-27 |
| 11906783 | Core position grasping method, connection method, and connection device | Yoko YAMASHITA, Masaki Wada, Kazuhide NAKAJIMA | 2024-02-20 |
| 11899237 | Multicore optical fiber, method of designing multicore optical fiber, and optical transmission method | Kazuhide NAKAJIMA | 2024-02-13 |
| 11815421 | Acoustic mode propagation speed measurement method and acoustic mode propagation speed measurement device | Yuto SAGAE, Kyozo Tsujikawa, Kazuhide NAKAJIMA | 2023-11-14 |
| 11806412 | Oil-in-water emulsion sunscreen cosmetic | Satoshi Yamaki, Kazutaka Sasaki, Kazuhiro Yamaguchi | 2023-11-07 |
| 11801207 | Water-in-oil emulsion sunscreen cosmetic | Satoshi Yamaki, Kazutaka Sasaki, Yurika WATANABE, Mayuri TASHIRO, Yuko Nagare +2 more | 2023-10-31 |