2022年
T. Morimoto, R. Oka, K. Minagawa, and T. Masui, Novel near-infrared reflective black inorganic pigment based on cerium vanadate, RSC Adv., 2022, 12, 16570–16575.
DOI: 10.1039/D2RA02483G

R. Oka, A. Takemura, Y. Shobu, K. Minagawa, and T. Masui, Novel inorganic orange pigments based BiFeWO6, J. Ceram. Soc.Jpn., 2022, 130, 39–43.
DOI: https://doi.org/10.2109/jcersj2.21097

T. Yamanaka, N. Tarutani, K. Katagiri, K. Inumaru, Y. Takeoka, and T. Masui, High Heat Resistance of the Structual Coloration of Colloidal Arrays with Inorganic Black Addtives, ACS Appl. Mater. Interfaces, 2022, 14, 29324-29330
DOI: 10.1021/acsami.2c08649

R. Oka, T. Nouchi, and T. Masui, Synthesis and Color Evaluation of Tb⁴⁺- Doped Na2ZrO3 for Inorganic Yellow Pigments, Colorants, 2022, 1, 347-353
DOI: 10.3390/colorants1030020

2021年
R. Oka, J. Koyama, T. Morimoto, and T. Masui, Novel Orange Color Pigments Based on La3LiMnO7, Molecules, 2021, 26, 6243.
DOL: 10.3390/molecules26206243

K. Minagawa, Y. Nishiguchi, R. Oka, and T. Masui, Synthesis and Characterization of Ca1–xEuxZrO3 as Environmentally Friendly Inorganic Yellow Pigments, ACS Omega, 2021, 6, 3411–3417.
DOI: 10.1021/acsomega.0c05959

K. Awaya, Y. Koyanagi, K. Hatakeyama, J. Ohyama, L. Guo, T. Masui, and S. Ida, Catalytic Toluene Cobustion over Metastable Layered Manganese Cobalt Oxide Nanosheet Catalysts, Ind. Eng. Chem. Res., 2021, 60, 16930-16938
DOI: 10.1021/acs.iecr.1c03339

増井敏行, 優環境型の着色無機顔料, 溶融塩および高温化学, 2021, 64, 103-108

 

2020年
R. Oka, K. Kusukami, and T. Masui, Effect of [MnO6] Octahedra to the Coloring Mechanism of (Li1–xNax)2MnO3, ACS Omega, 2020, 5, 13108–13114.
DOI: 10.1021/acsomega.0c01071

渡邉美寿貴, 大石克嘉, 増井敏行, バイオイメージング材料への応用を目指した希土類添加蛍光体の合成と開発, セラミックス, 2020, 55, 890–893.

岡　亮平, 増井敏行, 環境調和型の無機顔料, セラミックス, 2020, 55, 598–601.

 

2019年
R. Oka, S. Iwasaki, and T. Masui, Improvement of Near-Infrared (NIR) Reflectivity and Black Color Tone by Doping Zn²⁺ into the Ca2Mn0.85Ti0.15O4 Structure, RSC Adv., 2019, 9, 38822–38827.
DOI: 10.1039/c9ra07849e

M. Watanabe, N. Yamamoto, T. Matsuo, R. Oka, S. Ida, and T. Masui, Enhancement of Near-Infrared Emission of Neodymium-Doped Monoclinic Gadolinium Phosphate Nanophosphors by Surface Coating with Calcium Phosphate, J. Asian Ceram. Soc., 2019, 7, 509–517.
DOI: 10.1080/21870764.2019.1673138

M. Watanabe, Y. Sejima, R. Oka, S. Ida, and T. Masui, Submicron-Sized Phosphors Based on Hexagonal Rare Earth Oxycarbonate for Near-Infrared Excitation and Emission, J. Asian Ceram. Soc., 2019, 7, 502–508.
DOI: 10.1080/21870764.2019.1673137

R. Oka, Y. Shobu, and T. Masui, Synthesis and Color Evaluation of Ta⁵⁺-Doped Bi2O3, ACS Omega, 2019, 4, 7581–7585.
DOI: 10.1021/acsomega.9b00555

 

2018年
R. Oka, T. Kosaya, and T. Masui, Novel Environmentally Friendly Inorganic Orange Pigments Based on Ca14Al10Zn6O35, Chem. Lett., 2018, 47, 1522–1525.
DOI: 10.1246/cl.180744

T. Tsukimori, Y. Shobu, R. Oka, and T. Masui, Synthesis and Characterisation of Ba(Zn1–xCox)2Si2O7 (0 ≤ x ≤ 0.50) for Blue-Violet Inorganic Pigments, RSC Adv., 2018, 8, 9017–9022.
DOI: 10.1039/c8ra00101d

岡　亮平, 増井敏行, 環境に優しい無機顔料, 日本電子材料技術協会会報, 2018, 49, 2–5.

岡　亮平, 増井敏行, Ce³⁺を発色源とする新規な優環境型の赤茶色無機顔料, セラミックス, 2018, 53, 449–452.

 

2017年
R. Oka, Y. Shobu, F. Aoyama, T. Tsukimori, and T. Masui, Synthesis and Characterisation of SrY2–xCexO4 as Environmentally Friendly Reddish-Brown Pigments, RSC Adv., 2017, 7, 55081–55087.
DOI: 10.1039/c7ra10250j

S. W. Kim, Y. Abe, M. Watanabe, T. Hasegawa, M. Muto, A. Toda, T. Ishigaki, K. Uematsu, K. Toda , M. Sato, E. Kawakami, J. Koide, M. Toda, Y. Kudo, T. Masui, T. Masaki, and D. H. Yoon, Yellow MgV2O6·2H2O Nanophosphor Synthesized by a Water-Assisted Solid-State Reaction (WASSR) Method at Low Temperature below 80 °C, Dyes Pigm., 2017, 145, 339–344.
DOI: 10.1016/j.dyepig.2017.06.024

R. Oka, T. Tsukimori, H. Inoue, and T. Masui, Perovskite-Type ALnO3 (A = Ca, Sr, Ba; Ln = Ce, Pr, Tb) Oxides as Environmentally Friendly Yellow Pigments, J. Ceram. Soc. Jpn., 2017, 125, 652–656.
DOI: 10.2109/jcersj2.17118

T. Tsukimori, R. Oka, and T. Masui, Synthesis and Characterization of Bi4Zr3O12 as an Environment-Friendly Inorganic Yellow Pigment, Dyes Pigm., 2017, 139, 808–811.
DOI: 10.1016/j.dyepig.2017.01.013

増井敏行, 環境調和型の着色無機顔料, 顔料, 2017, 61, 3755–3760.

 

2016年
R. Oka and T. Masui, Synthesis and Characterization of Black Pigments Based on Calcium Manganese Oxides for High Near-Infrared (NIR) Reflectance, RSC Adv., 2016, 6, 90952–90957.
DOI: 10.1039/c6ra21443f

 

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