Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312369 | Rare-earth complex, light-emitting material, light-emitting object, light-emitting device, interlayer for laminated glass, laminated glass, windshield for vehicle, wavelength conversion material, and security material | Yuichi Kitagawa, Marina Kumagai, Yasuchika Hasegawa, Takayuki Nakanishi | 2025-05-27 |
| 12291545 | Rare earth complex, rare earth complex solution, luminescent molded article, method for producing luminescent product, luminescent sheet, and vinyl greenhouse for agriculture | Yuichi Kitagawa, Kaori Shima, Satoshi Wada, Yasuchika Hasegawa | 2025-05-06 |
| 11499093 | Rare earth complex and light emitting element | Yuichi Kitagawa, Fumiya SUZUE, Takayuki Nakanishi, Yasuchika Hasegawa | 2022-11-15 |
| 10745614 | Rare-earth complex polymer | Takayuki Nakanishi, Yuichi Hirai, Yasuchika Hasegawa, Yuichi Kitagawa | 2020-08-18 |
| 10399999 | Polymer complex and production process therefor | Yasuchika Hasegawa, Ayako Nakajima, Takayuki Nakanishi, Yuichi Kitagawa | 2019-09-03 |
| 10329480 | Sheet integrated rare earth complex and use thereof | Yasuchika Hasegawa, Shiori Tateno, Takayuki Nakanishi | 2019-06-25 |
| 9280002 | Thin film and nanocrystals of europium(II) compound doped with metal ions | Yasuchika Hasegawa, Masashi Maeda, Mina Kumagai | 2016-03-08 |
| 9261718 | Composite thin film and composite nanocrystals containing europium (II) compound and metal | Yasuchika Hasegawa, Akira Kawashima, Mina Kumagai | 2016-02-16 |
| 9051427 | Rare-earth complex polymer and plastic molded product | Yasuchika Hasegawa, Kohei Miyata, Masako Kato, Atsushi Kobayashi | 2015-06-09 |
| 5398551 | Ultrasonic testing method for balls | Keiji Kawasaki | 1995-03-21 |
| 5259675 | Ceramic guide pin | Yukihito Ichikawa | 1993-11-09 |
| 5195372 | Ultrasonic testing method for detecting flaws of balls for structural members and apparatus for said method | Keiji Kawasaki | 1993-03-23 |
| 5184513 | Automatic ultrasonic testing apparatus for detecting flaws of structural balls | Shigeo Nishioka | 1993-02-09 |
| 5060517 | Immersion type automatic ultrasonic testing aparatus for detecting flaws of balls | Shigeo Nishioka, Kazuhiro Konishi | 1991-10-29 |
| 5056368 | Ultrasonic testing method | Keiji Kawasaki | 1991-10-15 |
| 4969361 | Ultrasonic flaw detecting method and apparatus for structural balls | Keiji Kawasaki, Shigeo Nishioka | 1990-11-13 |